Showing posts with label SECURITY. Show all posts
Showing posts with label SECURITY. Show all posts

Sunday, June 2, 2013

DARPA Prototype for Biological "Vitamin Authentication"

Google-owned Motorola reveals stomach acid-powered tablet that turns your body into a password

June 1, 2013

image credit:
screenshot from AllThingsD video
Regina Dugan, former director of the Defense Advanced Research Projects Agency (DARPA) and current head of Google-owned Motorola’s research division, introduced a prototype “vitamin authentication” tablet which turns your entire body into a walking authentication token.

“We got to do a lot of epic shit when I was at DARPA,” Dugan said. Indeed, DARPA has been involved in everything from weaponized hallucinations to tiny spy computers tomilitary human enhancements to automated drone-borne targeting and tracking systems tolinking rat brains over the Internet and much more.

Forget traditional usernames and passwords, this technology unveiled at D11 uses a tiny stomach acid-powered tablet to produce an 18-bit signal which can be detected by outside devices and used for authentication.

Dugan also showed off wearable electronic tattoos produced by a company called MC10, in partnership with Motorola, which serve a similar function.

The rationale behind these technologies, according to Dugan, is the annoyances caused by traditional authentication.

“Authentication is irritating,” Dugan said. “After 40 years of advances in computation, we’re still authenticating basically the same way we did years ago.”


The tablet, made by Proteus Digital Health, has already been approved by the FDA, according to Popular Science.

“The tablets contain a small chip with a switch and something that amounts to an inside-out potato battery,” Wired UK explains. “After swallowing it the acids in your stomach act as electrolytes, which power the battery and turn the switch on and off in a sequence.”

This produces an 18-bit ECG-like signal, turning the entire person into an “authentication token,” which Dugan called “vitamin authentication,” according to the Verge.

“This isn’t stuff that is going to ship anytime soon. But it is a sign of the new boldness inside Motorola,” said Dennis Woodside, CEO of Motorola.

However, Woodside did successfully complete a demonstration of the tablet authenticating a phone.

“The authentication could be activated by touch, since the human body conducts electricity — touch your phone or laptop and you’re in,” according to Discovery.

“Google won’t be force feeding you these pills like this is some kind of a twisted, science-fiction movie,” Tech2 reports.

Yet the attraction is obvious. If people could protect their computers, phones, homes, businesses, etc. without having to constantly type long, complex passwords it’s not difficult to see them wanting to do so.

That’s especially true when one would only have to take a pill regularly and in doing so would provide an authentication method that is more secure than one could imagine in times past. Wired UK states that the development of this type of technology shows “that hacking is a major concern as we conduct more and more of our business online.”

Given the clear benefits of a technology like this, it’s not hard to see companies requiring their employees to use a tablet like this, especially among companies that are especially concerned about security.

Just as some companies have required fingerprint scanners, iris scanners or other biometric identification methods, it’s not hard to imagine some companies jumping on this “vitamin authentication” technology.

Saturday, June 1, 2013

The Legality and Origins of Warchalking

Adopting the old early 20th century hobo practice of using chalk marks to communicate with each other, modern day wi-fi enthusiasts warchalk their neighborhoods to let others know where publicly accessible wireless hotspots are located. The legal ramifications are unclear, but internet service providers and the government have taken notice and are not pleased.

Modern day technophiles are taking a cue from early 20th century hobos who rode the American rail system: using chalk markings to communicate with each other. Although hobos are more likely to converse via email and cell phones these days, hobos back then passed on useful information to fellow travelers via a series of codes and symbols. On the houses of police officers and judges they would draw pictographs that warned others to stay away; on those of doctors providing free medical care and kind old ladies who cooked hot meals in exchange for hearing a sob story or two were symbols that served as beacons for weary boxcar riders. These days, you are less likely to see chalk marks signifying "good campsite" or "ill-tempered man with gun lives nearby" than symbols identifying publicly accessible wi-fi hotspots, or in techno-speak, 802.11x wireless access points. The recent boom of wireless networking, both in the office and at home, coupled with lax security practices, has dramatically increased the number of access points where anyone with a wi-fi compatible laptop or PDA can jump online and surf the Web. Along with this increase have come complex and unforeseen legal issues regarding the right to share, often without consent, a person's wireless internet connection.

The name for the practice of finding wi-fi hotspots comes from the 1983 movie War Games where a teenage Matthew Broderick hacked into military computers at NORAD by wardialing random phone numbers using a modem. The terms nowadays are wardrivingwarwalking, and warflying-each variation reflecting the means of conveyance by which warchalkers search out, find, and mark down publicly accessible hotspots. These warchalkers, armed with laptops and wireless network cards, cruise city streets in hope of stumbling across open, insecure networks. Once they find a network, they use chalk to mark the location of the hotspot as well as the network type, name, and bandwidth. Despite being such a new phenomenon, the set of symbols has already become well-settled. What is not settled is the legality of warchalking. Several legal concerns have arisen with respect to the sharing, some would say stealing, of wireless network bandwidth.

First, there is the issue of authorized use: Can owners of wireless networks legally share their bandwidth with the public at large? Can people warchalk their own home or sidewalk, thus, notifying neighbors and passerbys of the existence of their network and inviting its use? Warchalking advocates stress that individuals should be able share their networks just as a homeowner should be allowed to share the water from their hose if they so choose. They claim that warchalking sidewalks is no more illegal than kids drawing hopscotch squares. Some cities have even implemented and warchalked their own wi-fi networks as a way to attract business and boost patronage of restaurants, cafes, and other public locations. Internet service providers, however, strongly oppose the rampant sharing of wi-fi networks. They point to the fact that the vast majority of their broadband customers, at least in the United States, pay a fixed monthly price for unlimited use. Since people do not pay measured, per unit rates for internet access as they do for other utilities such as gas, water, and electricity, service providers argue that when customers share their wireless networks, the providers lose out on revenue.

Second, there is the issue of unauthorized use: Are people legally permitted to warchalk someone else's network without them knowing, thus, encouraging others to surreptitiously use that network owner's bandwidth? The arguments on each side are similar to those in the case of authorized use, except here, there is the question of theft and the rights of the unaware owner. Service providers, in thinking about their bottom lines, often argue on behalf of unsuspecting and oftentimes technologically naïve network owners. They claim that by identifying other people's networks, warchalkers encourage the theft of valuable network bandwidth. Warchalkers respond that the bandwidth used is typically small compared to that available, that only in rare cases would an owner notice a performance decrease, and that even if owners did know, most would either gladly share their connections or simply take the few easy steps required to secure their networks. But providers point out that the majority of wi-fi hardware defaults to "open" so that wi-fi newbies have an easier time getting up and running. Rarely do owners bother or possess the know-how to secure their networks. Providers also emphasize that bandwidth is a valuable resource and that theft is theft. They claim that warchalking other people's houses amounts to an invasion of privacy and encourages the hacking of networks, comparing warchalkers to robbers letting other robbers know which houses are unlocked.

Finally, the U.S. government has criticized the practice of warchalking and labeled it a threat to national security. With the post 9/11 rise in awareness regarding potential vulnerabilities in homeland security, the Pentagon has come to view open wi-fi networks as a liability, a tool that terrorists could exploit to wreak havoc on unprotected networks and information systems. Warchalking, they argue, only serves to aggravate the problem by advertising those vulnerabilities. But warchalkers claim the government grossly overstates the threat and point to the myriad ways of securing networks that people and offices can take in order to close their networks from prying eyes.

As of this writing, none of these legal issues have been addressed by the courts or legislatures. There are no cases pending nor laws directed specifically at warchalkers. Only time will tell if the practice of warchalking survives.

Links:

Warchalking.org (http://www.warchalking.org/)
Warchalking.org Legality FAQ (http://www.warchalking.org/story/2002/9/22/223831/236)
Worldwide Wardrive (http://www.worldwidewardrive.org/)
News.com - Insecurity of Wi-Fi Networks (http://news.com.com/2009-1033-982324.html)
News.com - Growth of Public Wi-Fi Networks (http://news.com.com/2009-1033-982322.html)
Wardrive.net (http://www.wardrive.net/#WARDRIVING)
Airshare.org (http://www.airshare.org/learn/articles/features/warflying.cfm)
InternetWeek (http://www.internetwk.com/security02/INW20030109S0001)
InternetWeek (http://www.internetwk.com/breakingNews/INW20030123S0001)
Slack Action (http://www.slackaction.com/signroll.htm)
Wired (http://www.wired.com/news/wireless/0,1382,56742,00.html)


Cyber-Scare

Cyber-Scare

bostonreview.net

The age of cyber-warfare has arrived. That, at any rate, is the message we are now hearing from a broad range of journalists, policy analysts, and government officials. Introducing a comprehensive White House report on cyber-security released at the end of May, President Obama called cyber-security “one of the most serious economic and national security challenges we face as a nation.” His words echo a flurry of gloomy think-tank reports. The Defense Science Board, a federal advisory group, recently warned that “cyber-warfare is here to stay,” and that it will “encompass not only military attacks but also civilian commercial systems.” And “Securing Cyberspace for the 44th President,” prepared by the Center for Strategic and International Studies, suggests that cyber-security is as great a concern as “weapons of mass destruction or global jihad.”

Unfortunately, these reports are usually richer in vivid metaphor—with fears of “digital Pearl Harbors” and “cyber-Katrinas”—than in factual foundation.

Consider a frequently quoted CIA claim about using the Internet to cause widespread power outages. It derives from a public presentation by a senior CIA cyber-security analyst in early 2008. Here is what he said:

We have information, from multiple regions outside the United States, of cyber-intrusions into utilities, followed by extortion demands. We suspect, but cannot confirm, that some of these attackers had the benefit of inside knowledge. We have information that cyber-attacks have been used to disrupt power equipment in several regions outside the United States. In at least one case, the disruption caused a power outage affecting multiple cities. We do not know who executed these attacks or why, but all involved intrusions through the Internet.

So “there is information” that cyber-attacks “ have been used.” When? Why? By whom? And have the attacks caused any power outages? The CIA may have some classified information, but very little that is unclassified suggests that such cyber-intrusions have occurred.

Or consider an April 2009 Wall Street Journal article entitled “Electricity Grid in U.S. Penetrated By Spies.” The article quotes no attributable sources for its starkest claims about cyber-spying, names no utility companies as victims of intrusions, and mentions just one real cyber-attack, which occurred in Australia in 2000 and was conducted by a disgruntled employee rather than an external hacker.

It is alarming that so many people have accepted the White House’s assertions about cyber-security as a key national security problem without demanding further evidence. Have we learned nothing from the WMD debacle? The administration’s claims could lead to policies with serious, long-term, troubling consequences for network openness and personal privacy.

Cyber-security fears have had, it should be said, one unambiguous effect: they have fueled a growing cyber-security market, which, according to some projections, will grow twice as fast as the rest of the IT industry. Boeing, Raytheon, and Lockheed Martin, among others, have formed new business units to tap increased spending to protect U.S. government computers from cyber-attacks. Moreover, many former government officials have made smooth transitions from national cyber-security policy to the lucrative worlds of consulting and punditry. Speaking at a recent conference in Washington, D.C., Amit Yoran—a former cyber-security czar in the Bush administration and currently the C.E.O. of NetWitness, a cyber-security start-up—has called hacking a national security threat, adding that “cyber-9/11 has happened over the last ten years, but it’s happened slowly, so we don’t see it.” One way for the government to protect itself from this cyber-9/11 may be to purchase NetWitness’s numerous software applications, aimed at addressing both “state and non-state sponsored cyber threats.”

From a national security perspective, cyber-attacks matter in two ways. First, because the back-end infrastructure underlying our economy (national and global) is now digitized, it is subject to new risks. Fifty years ago it would have been hard—perhaps impossible, short of nuclear attack—to destroy a significant chunk of the U.S. economy in a matter of seconds; today all it takes is figuring out a way to briefly disable the computer systems that run Visa, MasterCard, and American Express. Fortunately, such massive disruption is unlikely to happen anytime soon. Of course there is already plenty of petty cyber-crime, some of it involving stolen credit card numbers. Much of it, however, is due to low cyber-security awareness by end-users (you and me), rather than banks or credit card companies.

Second, a great deal of internal government communication flows across computer networks, and hostile and not-so-hostile parties are understandably interested in what is being said. Moreover, data that are just sitting on one’s computer are fair game, too, as long as the computer has a network connection or a USB port. Despite the “cyber” prefix, however, the basic risks are strikingly similar to those of the analog age. Espionage has been around for centuries, and there is very little we can do to protect ourselves beyond using stronger encryption techniques and exercising more caution in our choices of passwords and Wi-Fi connections.

To be sure, there is a war-related caveat here: if the military relies on its own email system or other internal electronic communications, it is essential to preserve this capability in wartime. Once more, however, the concern is not entirely novel; when radio was the primary means of communication, radio-jamming was also a serious military concern; worries about radio go back as far as the Russo-Japanese War of 1904-1905.

The ultimate doomsday scenario—think Live Free or Die Hard—could involve a simultaneous attack on economic e-infrastructure and e-communications: imagine al Qaeda disabling banks, destroying financial data, disrupting networks, and driving the American economy back to the nineteenth century. This certainly sounds scary—almost as scary as raptors in Central Park or a giant asteroid heading toward the White House. The latter two are not, however, being presented as “national security risks” yet.

There are certainly genuine security concerns associated with the Internet. But before accepting the demands of government agencies for new and increased powers to fight threats in cyberspace and prepare for cyber-warfare, we should look more closely at well-defined dangers and ask just where existing technological means and legal norms fall short. Because the technologies are changing so quickly, we cannot expect definitive answers. But cyber-skeptics—who argue that cyber-warfare is still more of an urban legend than a credible hazard—appear to be onto something important.

One kind of cyber-security problem grows out of resource scarcity. A network has only so much bandwidth; a server can serve only so much data at one time. So if you want to disable (or simply slow down) the computer backbone of a national economy, for example, you need to figure out how to reach its upper limit.

It would be relatively easy to protect against this problem if you could cut your computer or network off from the rest of the world. But as the majority of governmental and commercial services have moved online, we expect them to be offered anywhere; Americans still want to access their online banking accounts at Chase even if they are travelling in Africa or Asia. What this means in practice is that institutions typically cannot shut off access to their online services based on nationality of the user or the origin of the computer (and in the case of news or entertainment sites, they do not want to: greater access means more advertising income).

Together, these limitations create an opportunity for attackers. Since no one, not even the U.S. government, has infinite computer resources, any network is potentially at risk.

Taking advantage of this resource scarcity could be an effective way of causing trouble for sites one does not like. The simplest—and also the least effective—way of doing this is to visit the URL and hit the “reload” button on your browser as often (and for as long) as you can. Congratulations: you have just participated in the most basic kind of “denial-of-service” (DoS) attack, which aims to deny or delay the delivery of online services to legitimate users. These days, however, it would be very hard to find a site that would suffer any noticeable damage from such a nuisance; what is missing from your cyber-guerilla campaign is scale.

Now multiply your efforts by a million—distribute your attacks among millions of other computers—and this could be enough to cause headaches to the administrators of many Web sites. These types of attacks are known as “distributed denial-of-service” or DDoS attacks. Administrators may be able to increase their traffic and bandwidth estimates and allocate more resources. Otherwise they have to live with this harassment, which may disable their Web site for long periods.

DDoS attacks work, then, by making heavier-than-normal demands on the underlying infrastructure, and they usually cause inconvenience rather than serious harm. Not sure how to do it yourself? No problem: you can buy a DDoS attack on the black market. Try eBay.

In fact, your own computer may well be participating in a DDoS attack right now. You may, for example, have inadvertently downloaded a trojan—a hard-to-detect, tiny piece of software—that has allowed someone else to take control of your machine, without obvious effect on your computer’s speed or operations. Some computer experts put the upper limit of infected computers as high as a quarter of all computers connected to the Internet.

Because a single computer is inconsequential, the infected computers form “botnets”—nets of robots—that can receive directions from a command-and-control center—usually just another computer on the network with the power to give commands. What makes the latest generation of botnets hard to defeat is that every infected computer can assume the role of the command-and-control center: old-fashioned methods of decapitation do not work against such dispersed command-and-control. Moreover, botnets are strategic: when network administrators try to block the attacks, botnets can shift to unprotected prey. Commercial cyber-security firms are trying to keep up with the changing threats; thus far, however, the botnets are staying at least one step ahead.

DDoS threats have been far more commercial than political. The driving force has been cyber-gangs (many of them based in the former Soviet Union and Southeast Asia) which are in the extortion business. They find a profitable Internet business that cannot afford downtime and threaten to take down its Web site(s) with DDoS attacks. The online gambling industry—by some estimates, a $15-billion-a-year business—is a particularly appealing target because it is illegal in the United States: it cannot seek protection and take advantage of robust U.S. communications infrastructure. Thus, administrators of popular gambling sites commonly receive threats of DDoS attacks and demands for $40,000-$60,000 to “protect” the sites from attacks during peak betting periods (say, before big sporting events such as the Super Bowl). Many legitimate businesses fall victim to cyber-extortion, too. Since it is better to dole out a little cash to stop future attacks than to deal with the PR fallout—and possible drop in stock prices—that usually follows cyber-attacks, cyber-crime is underreported and underprosecuted.

Another commercial opportunity for cyber-gangs is the creation of a large army of for-hire botnets, with extremely powerful attack capabilities. It is currently quite straightforward to rent the destructive services of a botnet ($1000/day is a going rate). The point was made forcefully by a controversial recent experiment: a group of BBC reporters purchased the services of a botnet 22,000 infected-computers strong from a vendor of cyber-crime services and used it to attack the site of a cyber-security company.

The commercial availability of DDoS-attack capability has generated excitement about political applications. The risks to online freedom of expression may be considerable: saying anything controversial may trigger a wave of cyber-attacks that your adversaries can purchase easily. These attacks are financially burdensome and politically disabling for the victim. Getting your server back online is usually the least of your problems. Your Web hosting company may kick you off its servers because the cost of dealing with the damage caused by cyber-attacks usually outweighs the monetary gains of hosting controversial groups, from political bloggers to LGBT groups to exiled media from countries such as Burma (just to mention some recent victims of DDoS attacks). Protection from DDoS is available, but usually too expensive for nonprofits.

An alternative to expensive DDoS protection is a kind of distributed defense network. Imagine an idealized world in which every computer has the latest anti-virus update and where users do not open suspicious attachments or visit dubious Web sites. Cyber-gangs would then be left to their own devices—to attacking with computers they own—and the security issues would be considerably diminished. This perfect world is impossible to achieve, but the right policies could get us pretty close. One option is to go “macro”—to ensure that all critical national infrastructure is prioritized and protected, with extremely flexible resource allocation for the key assets (part of the job of a cyber-czar). This, however, would do little to curb the DDoS market. Indeed, it might embolden the attackers to ratchet up their capabilities. An alternative is to go “micro”—ensure that people who are responsible for the creation of this market in DDoS attacks in the first place (i.e., you and me) are knowledgeable (or at least literate) in cyber-security matters and do not surf with their antivirus protection turned off. This latter solution could eliminate the problem at root: if all computers were secure and computer users careful, botnets would significantly shrink in size. This, however, is a big “if,” and most skepticism over whether the federal government is well-placed to educate about these threats is justified.

The security threats from DDoS attacks pale in comparison with the potentialconsequences of another kind of online insecurity, one more likely to be associated with terrorists than criminals and potentially more consequential politically: data breaches or network security compromises (I say “potential” because very few analysts with access to intelligence information agree to speak on the record). After all, with DDoS, attackers simply slow down everyone’saccess to data that are, in most cases, already public (some data are occasionally destroyed). With data breaches, in contrast, attackers can gain access to private and classified data, and with network security compromises, they might also obtain full control of high-value services like civil-aviation communication systems or nuclear reactors.

Data breaches and network security compromises also create far more exciting popular narratives: the media frenzy that followed the detection of China-based GhostNet—a large cyber-spying operation that spanned more than 1250 computers in 103 countries, many of them belonging to governments, militaries, and international organizations—is illustrative. Much like botnets, cyber-spying operations such as GhostNet rely on inadvertently downloaded trojans to obtain full control over the infected computer. In GhostNet’s case, hackers even gained the ability to turn on computers’ camera and audio-recording functions for the purposes of remote surveillance, though we have no evidence that attackers used this function.

In fact, what may be most remarkable about GhostNet is what did not happen. No computers belonging to the U.S. or U.K. governments—both deeply concerned about cyber-security—were affected; one NATO computer was affected, but had no classified information on it. It might be unnerving that the computers in the foreign ministries of Brunei, Barbados, and Bhutan were compromised, but the cyber-security standards and procedures of those countries probably are not at the global cutting edge. With some assistance on upgrades, they could be made much more secure.

In part, then, the solution to cyber-insecurity is simple: if you have a lot of classified information on a computer and do not want to become part of another GhostNet-like operation, do not connect it to the Internet. This is by far the safest way to preserve the integrity of your data. Of course, it may be impossible to keep your computer disconnected from all networks. And by connecting to virtually any network—no matter how secure—you relinquish sole control over your computer. In most cases, however, this is a tolerable risk: on average, you are better off connected, and you can guard certain portions of a network, while leaving others exposed. This is Network Security 101, and high-value networks are built by very smart IT experts. Moreover, most really sensitive networks are designed in ways that prevent third-party visitors—even if they manage somehow to penetrate the system—from doing much damage. For example, hackers who invade the email system of a nuclear reactor will not be able to blow up nuclear facilities with a mouse click. Data and security breaches vary in degree, but such subtlety is usually lost on decision-makers and journalists alike.

Hype aside, what we do know is that there are countless attacks on the government computers in virtually every major Western country, many of them for the purpose of espionage and intelligence gathering; data have been lost, compromised, and altered. The United States may have been affected the most: the State Department estimates that it has lost “terabytes” of data to cyber-attacks, while Pentagon press releases suggest that it is under virtually constant cyber-siege. Dangerous as they are, these are still disturbing incidents of data loss rather than seriously breached data or compromised networks. Breakthroughs in encryption techniques have also made data more secure than ever. As for the data loss, the best strategy is to follow some obvious rules: be careful, and avoid trafficking data in open spaces. (Don’t put important data anywhere on the Internet, and don’t leave laptops with classified information in hotel rooms.)

Although there is a continuous spectrum of attacks, running from classified memos to nuclear buttons, we have seen no evidence that access to the latter is very likely or even possible. Vigilance is vital, but exaggeration and blind acceptance of speculative assertions are not.

So why is there so much concern about “cyber-terrorism”? Answering a question with a question: who frames the debate? Much of the data are gathered by ultra-secretive government agencies—which need to justify their own existence—and cyber-security companies—which derive commercial benefits from popular anxiety. Journalists do not help. Gloomy scenarios and speculations about cyber-Armaggedon draw attention, even if they are relatively short on facts.

Politicians, too, deserve some blame, as they are usually quick to draw parallels between cyber-terrorism and conventional terrorism—often for geopolitical convenience—while glossing over the vast differences that make military metaphors inappropriate. In particular, cyber-terrorism is anonymous, decentralized, and even more detached than ordinary terrorism from physical locations. Cyber-terrorists do not need to hide in caves or failed states; “cyber-squads” typically reside in multiple geographic locations, which tend to be urban and well-connected to the global communications grid. Some might still argue that state sponsorship (or mere toleration) of cyber-terrorism could be treated as casus belli, but we are yet to see a significant instance of cyber-terrorists colluding with governments. All of this makes talk of large-scale retaliation impractical, if not irresponsible, but also understandable if one is trying to attract attention.

Much of the cyber-security problem, then, seems to be exaggerated: the economy is not about to be brought down, data and networks can be secured, and terrorists do not have the upper hand. But what about genuine cyber-warfare? The cyber-attacks on Estonia in April-May 2007 (triggered by squabbling between Tallinn and Moscow over the relocation of a Soviet-era monument) and the cyber-dimension of the August 2008 war between Russia and Georgia have reignited older debates about how cyber-attacks could be used by and against governments.

The Estonian case is notable for the duration of the attacks—the country was under “DDoS-terror” for almost a month, with much of its crucial national infrastructure (including online banking) temporarily unavailable. The local media and some Estonian politicians were quick to blame the attacks on Russia, but no conclusive evidence emerged to prove this. The Georgian case—widely discussed as the first major instance of cyber-attacks (primarily DDoS) accompanying conventional warfare—has barely lived up to its hype. Many Georgian government Web sites were, in fact, targets of severe DDoS attacks. So was at least one bank. Yet, the broader strategic importance of such attacks within the Russian military operation is not clear at all, nor did Russia acknowledge responsibility for the attacks.

Although the attacks on Estonia and Georgia are often grouped together—perhaps because of the tentative Russian involvement in both—they are also very different. One important difference is in the degree of technological sophistication of the two countries. Attacking the Internet in Estonia, which made Internet access a basic human right in 2000, is like attacking the banks in Lichtenstein: the country’s economy, politics, and even some emergency services are pegged to it so tightly that being offline is a national calamity.

Georgia, on the other hand, is a technological laggard. When Georgia’s major government Web sites became inaccessible during the war, the Foreign Ministry was slow in finding a temporary home on a blog. The lapse may have gone largely unnoticed: 2006 Internet statistics gathered by the United Nations show that Georgia had about seven Internet users per one hundred population compared to 55 in Estonia and 70 in the United States. The Georgian case also highlights the danger of drawing too many strategic lessons from cyber-attacks. After all, one common result of the loss of Internet access is power outages, common during wartime regardless of cyber-attacks.

Moreover, both Georgia and Estonia are in a sense “cyber-locked,” with limited points of connection (even in Estonia) to the external Internet. This limited connectivity and the two countries dependence on physical infrastructure heighten their vulnerability. Less cyber-locked nations do not face the same risk. As Scott Pinzon, former Information Security Analyst with WatchGuard Technologies, told me, “If Georgia or Estonia were enmeshed into the Internet as thoroughly as, say, the State of California, the cyber-attacks against them would have been reduced to the level of nuisance.” The smartest way to guard against future attacks may, then, be to build robust infrastructure—laying extra cables, creating more Internet exchange points (where Internet service providers share data), providing incentives for new Internet service providers, and attracting more players to sell connectivity in places that now have limited infrastructure. The United States has actually done quite a bit of this already, so the Estonian experience may have little to teach Americans. While it might benefit Estonia and some other countries to invest heavily in upgrades, the United States may be able to forego dramatic and costly changes in favor of regular maintenance and incremental improvements.

Quite apart from the technological issues of cyber-warfare, there is the question of what even constitutes cyber-war. How do existing legal categories apply in this new setting?

For largely geopolitical reasons, Estonia initially called the cyber-attacks a cyber-war, a move that now seems ill-considered (on a recent trip to Estonia, I noticed that Estonian officials had replaced the term “cyber-war” with the more neutral “cyber-attacks”). The militarization of cyberspace that inevitably comes with any talk of war is disturbing, for there is no evidence yet to link the current generation of cyber-attacks to warfare, at least not in the legal sense of the term. However, the attacks on Estonia and Georgia did each pose an intriguing legal question, and neither has yet been answered definitively. First, do cyber-attacks constitute a “use of armed force” as understood by international law (the Estonian case)? Second, what kind of cyber-attacks are allowed under the laws of war once the conflict has already begun (the Georgian case)?

The first question is the trickiest. Commenting on the attacks, the Estonian defense minister said “such sabotage cannot be treated as hooliganism, but has to be treated as an attack against the state.” But did the cyber-attacks constitute the beginning of an armed conflict, as understood by the Geneva Conventions or Article 51 of the United Nations Charter? If the cyber-attacks constituted an armed attack, Estonia’s NATO allies should have followed Article 5 of the North Atlantic Treaty, which treats an attack against one member state as an attack against all and calls for collective defense. NATO only sent a team of experts to assess the damage. Using the metrics of conventional conflicts to assess the severity of these attacks is not easy. How intense and severe must the damage be in order for the cyber-attacks to qualify as armed attacks? Does damage in cyberspace qualify, even in the absence of offline damage? Is inconvenience to Internet users enough? What about the duration of the attacks?

However such questions are answered, the aggrieved party would still have to prove that a cyber-attack was state-sponsored, and it is unclear how one makes this argument in a legally convincing fashion. Are states only responsible for actions they directly control? Are they also responsible for all cyber-activity in their territory? And how far does that responsibility extend? At least one computer with an IP address belonging to the Russian government was identified as part of a botnet used in the Estonian attacks, but it is hard to build a case for Russian government responsibility on that IP address alone, since there were thousands of other participating computers.

If state involvement cannot be proven beyond doubt, cyber-attacks should be treated as crimes and dealt with under national and, in some cases, international criminal law. But there are difficulties on this front as well. For example, unlike Estonia and many countries, Russia has never signed the Council of Europe Convention on Cybercrime, which is the first international treaty seeking to harmonize national laws and facilitate cross-border cooperation among states on issues of cyber-crime. This makes it impossible to hold Russia to the standards envisioned in the Convention, and international law also provides few mechanisms for punishment.

The second question—what kinds of attacks would be allowed under the law of armed conflict?—presents another theoretical challenge, though for now at least, existing legal standards may suffice to address the issues.

Common sense dictates that the severity and targets of such attacks should be guided by international law, particularly the Geneva Conventions and associated protocols. Broadly speaking, current norms state that the conduct of war must meet three fundamental standards: belligerents must distinguish military from civilian objects when selecting targets; balance military necessity with humanitarian concern (the choice of weapons is not unlimited and must be made with the avoidance of unnecessary suffering in mind); and shun the use of force that is disproportionate, in the sense that it shows insufficient attention to the unnecessary suffering that might result. These principles have proved very hard, but not impossible, to interpret in conventional conflict; applying them to cyberspace is not an insurmountable challenge.

The careful application of these three principles to the conduct of war could explain why militaries might shy away from cyber-attacks. First, it is hard to predict the consequences of such attacks; cyber-attacks typically lack surgical precision and are notorious for side effects—a virus planted in a military network could easily spread to civilian computers, causing much unanticipated collateral damage.

Second, precisely targeted cyber-attacks could be a more humane way of conducting warfare. Instead of bombing a military train depot, with collateral civilian deaths, one can temporarily disable it by hacking into its dispatch system. However, the rules of war also stipulate that once a belligerent has used a more humane weapon, it ought to use that weapon in similar situations—and who would voluntarily abandon tanks in favor of computers only?

Third, most cyber-attacks are hard to justify in strategic terms and therefore would open associated personnel to prosecution for war crimes. For example, if there is little to be gained from attacking a poorly maintained Web site of the Georgian parliament, Russia could not justify an attack on it in military terms. If it went ahead with such an attack, its commanders woul risk prosecution for a disproportionate use of force.

The Internet does create one complexity worth considering in the context of applying existing laws of war: civilians on both sides can now participate in hostilities remotely. At the height of the war with Georgia, Russian blogs were full of detailed instructions on how to enlist in the cyber-war effort. Currently, humans are of little value in this process: a conventional botnet attack is more damaging. Yet, it is possible that human-powered botnets—or “meatbots”—could soon play a more serious role. Would participants then be liable for war crimes for their actions as civilians, who, unlike combatants, do not enjoy immunity under the law of war for their participation in hostilities? Would such civilian actions fall under the category of “direct participation in hostilities,” outlined in Commentary to Additional Protocol I to the Geneva Conventions (“Direct participation in hostilities implies a direct causal relationship between the activity engaged in and the harm done to the enemy at the time and the place where the activity takes place”)? We may need a special clarification of this concept for cyberspace, but other metrics—the damage caused, the targets chosen, and so forth—could still apply.

The legal options are also complicated in the case of classical rather than meatbot-powered DDoS attacks because there are often at least five parties to it: attackers, computer users whose machines are enlisted by the attackers, target Internet sites, software vendors responsible for the exploited security vulnerabilities, and various Internet service providers who deliver the attack traffic. These parties have different degrees of responsibility, and some of them are liable for negligence, itself a murky legal area.

Putting these complexities aside and focusing just on states, it is important to bear in mind that the cyber-attacks on Estonia and especially Georgia did little damage, particularly when compared to the physical destruction caused by angry mobs in the former and troops in the latter. One argument about the Georgian case is that cyber-attacks played a strategic role by thwarting Georgia’s ability to communicate with the rest of the world and present its case to the international community. This argument both overestimates the Georgian government’s reliance on the Internet and underestimates how much international PR—particularly during wartime—is done by lobbyists and publicity firms based in Washington, Brussels, and London. There is, probably, an argument to be made about the vast psychological effects of cyber-attacks—particularly those that disrupt ordinary economic life. But there is a line between causing inconvenience and causing human suffering, and cyber-attacks have not crossed it yet.

The usefulness of cyber-attacks as a military tool is also contested. Some experts are justifiably skeptical about the arrival of a new age of cyber-war. Marcus J. Ranum, Chief Security Officer of Tenable Network Security, argues that it is pointless for superpowers to develop cyber-war capabilities to attack non-superpowers, as they can crush them in more conventional ways. As for non-superpowers, their use of cyber-capabilities would almost certainly result in what Ranum calls “the Blind Mike Tyson” effect: the superpower would retaliate with offline weaponry (“blind me, I nuke you”). If Ranum is right, we should forget about the prospect of all-out cyber-war until we have technologically advanced superpowers that are hostile to each other. Focusing on cyber-crime, cyber-terrorism, and cyber-espionage may help us address the more pertinent threats in a more rational manner.

In the meantime, those truly concerned about the future of the Internet, global security, and e-Katrinas would be advised to watch a recent South Park episode, in which the Internet suddenly disappears and hordes of obsessed families head to the Internet Refugee Camp in California, where they are allowed to browse their favorite Web sites for 40 seconds a day, while the military fights the no-longer-blinking giant Internet router. Finally, a nine-year-old boy plugs the router back in, and its magic green light returns. This would make a sensible strategy for many governments, which are all-too eager to adopt militaristic postures instead of focusing on making their own Internet infrastructures more robust.


Electronic Frontier Foundation: Comcast and BitTorrent

Comcast and BitTorrent

September 13th 2007

We've been receiving a lot of inquiries from people concerned about recent allegations that Comcast is interfering with its subscribers' use of the BitTorrent protocol, perhaps by using an appliance that disrupts BitTorrent sessions. Some of the people contacting us are Comcast subscribers who've had trouble with BitTorrent recently and think that they might be affected by the same problem.

Debugging network problems can be complicated because of the varieties of versions and configurations of client software and the number of places in the network where problems could occur. Most mysterious network errors aren't intentionally caused by anyone. But some ISPs and universities have experimented with appliances that block or disrupt particular traffic, such as VoIP or P2P file-sharing traffic.

On Wednesday, we spoke with Comcast to try to find out what was going on in this case. Comcast assured us that, while it does do some kinds of network management on its residential network, it isn't deliberately blocking, degrading, interfering with, or discriminating against particular protocols or kinds of traffic. (This is consistent with what Comcast told the press in August when these allegations were widely raised.) The company said that it isn't using network management techniques that are designed to disrupt anyone's use of BitTorrent (or any other application).

If anyone has repeatable indications that something else is going on, please let us know -- we'd be happy to bring it up with Comcast to try to get to the bottom of the situation.


Sunday, April 21, 2013

Joseph K Black plagiarizes Gregory D Evans | The Internet Chronicle

Joseph K Black plagiarizes Gregory D Evans

Famous for books that are 99.3% plagiarized, security charlatan Gregory D Evans has, for once, had his work stolen out from under him. Joseph K Black has adopted Gregory D Evans’ methods. Black has cited his doubtful “expertise” as a reason for people to pay attention to him. Joseph K Black is unapologetic about his obvious intellectual theft from Gregory D Evans, just as Evans embraces his place as a plagiarist.

twittershot Joseph K Black plagiarizes Gregory D Evans

Twitterrific is a Mac-only Twitter client, final proof of Gregory D Evans' fraudulent computer expertise.

Gregory D Evans obviously doesn’t care that he’s a plagiarist, as long as he gets his attention. He’s made many contradictory and uninformed comments for reporters who think he’s an expert on Anonymous or computer security.

This is a challenge to Joseph K Black: Step up your game if you want to outdo Gregory D Evans.

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Wednesday, March 20, 2013

Hacker Crackdown: Blame AT&T's Crappy Security,

Hacker Crackdown: Blame AT&T's Crappy Security, Not Weev

Another hacker bites the dust. This morning, Andrew Auernheimer — aka "Weev" — got handed a sentence of 41 months in prison, 3 years of supervised release and a $36,500 fine. All for basically exposing a major security hole at AT&T and publicly shaming the company that hadn't ever bothered to fix it.

Back in 2010, Auernheimer and his partner Daniel Spitler, part of a team calling itself Goatse Security, hacked into a public server owned by AT&T. That server housed hundreds of thousands of email addresses of customers who owned 3G iPads. Through trial and error and some ingenuity, group members discovered they could randomly guess iPad identification numbers and then use them to extract matching email addresses from that server.

AT&T's Security Loophole, Exposed

This security loophole on AT&T's site returned email addresses associated with ICC IDs, the unique serial numbers used to track and link SIM cards on mobile devices with specific subscribers. A PHP script that automated the process ended up harvesting a whopping 114,000 email addresses. Auernheimer then sent news of the group's work as an exclusive to Gawker.

(See also: U.S. Announces 120,000 iPad Users Had Their Data Stolen)

A day later in a blog post on the Goatse Security site, Auernheimer and company wrote:

I want to summarize this explicitly:

  • All data was gathered from a public webserver with no password, accessible by anyone on the Internet. There was no breach, intrusion, or penetration.
  • The dataset was not disclosed until we verified the problem was fixed by the vendor.
  • The only person to receive the dataset was Gawker journalist Ryan Tate who responsibly redacted it.

[...]

We did this to help you.

By its own account, AT&T responded with "swift action" to prevent additional intrusions: 

Within hours, AT&T disabled the mechanism that automatically populated the email address. Now, the authentication page log-in screen requires the user to enter both their email address and their password.

Problem solved, right? Wrong. A week later Auernheimer was arrested after the FBI raided his house. He was then charged with major computer crimes under the Computer Fraud and Abuse Act (CFAA), the same legal club prosecutors have used to go after Aaron Swartz and, last week, Reuters social editor Matthew Keys.

(See also: Reuters Social Editor Indicted Over Anonymous Hack; Internet's Jaw Drops)

During the trial, AT&T admitted the server was publicly accessible, yet claimed Auernheimer's access was unauthorized. Under the CFAA, unauthorized access is a crime. But the statute's ambiguity on that score has opened the door for egregious prosecutorial overreach in this and other cases.

On Nov. 20, 2012, a jury found Auernheimer guilty of one count each of identity theft and conspiracy to violate the CFAA. Today, Auernheimer was sentenced.

Fair Or Fanning The Flames?

Supporters of Auernheimer say what he did was not a crime. Maybe it wasn't smart to expose a major vulnerability at AT&T and then rub the company's nose, but stupidity shouldn't be a federal offense. Friends and colleagues point out that the point of hacking is to gain something from it — and in this case, there was no money involved and nothing else to gain but besides a measure of celebrity.

Australian journalist and hacktivist Asher Wolf wrote a poignant piece today arguing that's it's insane to publicly tar and feather someone who spurred a company to fix a problem, even if he didn't choose the most orthodox means of doing it:

Putting Weev behind bars is pointless and tragic. Jailing the most outspoken men and women amongst our generation won’t stop the leaks, the hacks, the news revelations, the whistleblowers — and most of all it won’t stop the rage of the malcontent, dispossessed youth from eventually tumbling down upon the heads of the bureaucrats who sold us out and then tried to lock us up when we complained.

Bees To Honey

AT&T's vulnerability was basically low hanging fruit — just too easy a target for hackers to ignore. But the question of whether AT&T was asking for it is more complicated.

Sure, poor security is asking for trouble. But playing with fire will get you burned no matter how righteous and ethical you claim to be. "Our conduct doesn't happen in a vacuum," hacker Adrian Lamo — the guy who allegedly dropped a dime on Bradley Manning — wrote on Twitter today. "I don't think 3+ years is warranted for Weev, but in totality of circumstances, it's understandable."

Still, this is significant time for essentially not hurting anyone, as the British journalist Laurie Penny pointed out. By comparison, the Steubenville rapists were sentenced to just one year in juvenile jail.

This isn't over. Auernheimer is appealing his conviction. And either another example will be made to hackers everywhere, or the sentence will be reduced.

At the end of the day, Weev and co. were nicer to AT&T than, say, hacker HD Moore — who published unpatched iPhone flaws and exposed another big bug in Apple's WiFiwas to Apple. But that doesn't seem to matter much in the boardrooms and courtrooms of America. In their view, all hackers are criminals.

Even many mainstream journalists think all hacking is a crime. Last night on 60 Minutes, for instance, Lara Logan basically accused Jack Dorsey's early work of bordering on just that. And even with the best of intentions, hackers' attempts to route around the system will likely never gain the benefit of the doubt with the public.

Instead, they'll just keep earning jail sentences, at least unless and until the courts — or Congress, though don't hold your breath — push back against prosecutorial overreach. And that, at least, will give them plenty of time to repent at leisure.

Lead image via Flickr user shane_curcuru, CC 2.0; image of Andrew Auernheimer via Wikimedia Commons

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Oh, The Irony: National Vulnerablity Database Taken Down By Malware

Oh, The Irony: National Vulnerablity Database Taken Down By Malware

As if we needed more evidence that the hackers are winning, here is this: the National Vulnerability Database hosted by the National Institute of Standards and Technology has been stricken with malware and taken offline.

The NVD is a comprehensive database that integrates all of the United State’s government publicly available vulnerability resources. It is a resource to many security firms and security officers at enterprises for tracking day-to-day exploits that malicious hackers could use to breach secure systems.

In an email to security researcher Kim Halavakoski of Finland, NIST said that it had found multiple instances of malware on its public facing NVD websites and took the appropriate action to take the websites offline. 

“The National Vulnerability Database public-facing Web site and several other NIST-hosted Web sites are currently unavailable due to discovery of malware on two NIST Web servers,” wrote Gail Porter from the NIST Public Inquiries Office, according to a Google+ post by Halavakoski as reported by The Register.

Visits to the NVD website confirm that it is indeed unavailable as of 9:00 a.m. EST, March 14. 

The email from Porter to Halavokoski states that NIST’s firewall detected suspicious activity on Friday, March 8 and took steps to block the traffic from reaching the Internet. The malware on the NIST servers was traced to a software vulnerability. NIST said that there was no evidence its websites or the NVD contained or delivered any malware to users. 

“NIST continually works to maintain the integrity of its IT infrastructure and acts to limit the impact of malware on its systems. We regret the impact this has had on our services,” Porter wrote.

Nowadays, everything is a target. That goes for the public facing websites and servers of prominent government agencies such as the NIST and CIA. When it comes to the backbone of government systems (non-public facing servers), those are much harder to crack. That is why we see more distributed denial of service (DDoS) attacks on prominent websites than actual breaches. Much of this DDoS activity came from groups like Anonymous and LulzSec, but the global black hat hacker community has been stepping up its efforts in past years to actually breach internal servers. We have seen this through more advanced spear phishing techniques and the alleged hacker wing of the People’s Liberation Army of China. 

The NIST NVD site makes for an easy target. It is relied upon by many different groups and has a necessary public-facing websites that is, by basic Internet Protocol, vulnerable. NIST played the breach by the book and took the site down. 

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Thursday, August 23, 2012

Tracking Big Foot: Why GPS Location Requires a Warrant | Center for Democracy & Technology

In a case that raises as many questions as the average sighting of Big Foot, a panel of the Sixth Circuit Court of Appeals ruled earlier this week that law enforcement officers didn't need a warrant to obtain GPS location information generated by his cell phone.

The court’s analysis has been roundly criticized as legally incorrect, lazy, shallow, and vague. I’d like to focus on one aspect of the case that the court missed:  the Department of Justice recommends that police obtain warrants in the scenario presented by this case, does so for good reason, and there were sufficient facts for the government to obtain the warrant that the Department of Justice recommends investigators obtain.

In this case, U.S. v. Skinner law enforcement officers obtained an order that allowed them to monitor for 60 days the location of a pre-paid cell phone they had good cause to believe was being used by Big Foot, the nickname given trucker eventually identified as Melvin Skinner, who they alleged was transporting marijuana.  They obtained a court order under which the provider, Sprint/Nextel, acting at the behest of law enforcement, pinged the phone repeatedly so it would reveal its location over a three-day period and eventually activated the phone’s GPS functionality to locate the phone’s GPS coordinates.   (Sprint/Nextel recently developed a web portal through which law enforcement can do this automatically for the duration of the court authorization, without contacting the provider each time officers ping the phone.)

The court found that there was "… no Fourth Amendment violation because Skinner did not have a reasonable expectation of privacy in the data given off by his voluntarily procured … cell phone."  But, as Jennifer Grannick points out cell phones don’t normally "give off" the kind of GPS location data that law enforcement used to locate Skinner.  Unless the user is employing location services – and Skinner wasn’t – the GPS location data has to be created.  In this case, the provider, under court order, remotely activated the GPS function of Skinner's phone so the police could track him.

There's a critical difference between GPS location information and cell tower location information a mobile phone creates during normal use.  The GPS data in this case is created at the request of law enforcement for tracking purposes and not through the normal use of the mobile phone. The GPS data doesn’t even exist until the provider prompts the device to deliver its GPS location to the provider so law enforcement can access it.  In contrast, providers maintain cell tower location information for business reasons.  Because providers do not normally maintain GPS location information and because it was not voluntarily conveyed to the provider, it is not a "business record" and does not fit into the third party records doctrine, which says that a person has no Fourth Amendment interest in information that is voluntarily revealed to, and held by, a third party.  While the third party doctrine should probably be re-examined, for now we have to live with it, but not for GPS data created by providers at the behest of law enforcement.  For that data, we retain our Fourth Amendment rights against warrantless GPS tracking.  

Blind Eye to Justice

Apparently recognizing that GPS is different, the Justice Department recommends that prosecutors obtain a warrant to get GPS location information from mobile communications service providers.  For example, in this power point presentation the Associate Director of the Justice Department Office of Enforcement Operations recommends that prosecutors use search warrants to get prospective GPS location information (referred to as “lat/long data” or latitudinal and longitudinal data) for constitutional, not statutory reasons, and because "anything less presents significant risks of suppression."  In addition, the Justice Department Associate Deputy Attorney General, testified in April last year that when the government seeks to compel disclosure of prospective GPS coordinates generated by cell phones, it relies on a warrant.

The Sixth Circuit missed this point entirely.  It blithely rejected Skinner's Fourth Amendment claims and implicitly bought into the government's argument that orders under the Stored Communications Act provision at 18 USC 2703(d) can be used to obtain prospective location information that has never been stored.  It did not consider whether the information sought was within the third party records doctrine and it cited no statutory authority for the proposition that the government can compel a provider to create the GPS information for the government to seize.  

Perhaps most ironically, it seems pretty clear that the government had facts establishing probable cause and could have obtained a warrant if it had applied for one.  As the concurring opinion in Skinner noted, law enforcement officials were watching the drug operation for months, had recorded conversations about an upcoming drug run, learned that the courier was carrying a particular phone that they could track, and that a half ton of marijuana was in transit.  

A warrant requirement for location information, as advocated by the Digital Due Process coalition, would still mean a drug courier like Skinner would get caught.  If followed, a statutory warrant requirement decreases the chances a criminal would elude jail because the seized evidence would not be at risk of suppression, as it is now for Big Foot if he appeals this decision. 

For updates, follow us on Twitter at @CenDemTech.

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