Cybersecurity for the Public Interest

The Crypto Wars have been waging off-and-on for a quarter-century. On one side is law enforcement, which wants to be able to break encryption, to access devices and communications of terrorists and criminals. On the other are almost every cryptographer… Continue reading Cybersecurity for the Public Interest

Cybersecurity for the Public Interest

The Crypto Wars have been waging off-and-on for a quarter-century. On one side is law enforcement, which wants to be able to break encryption, to access devices and communications of terrorists and criminals. On the other are almost every cryptographer and computer security expert, repeatedly explaining that there’s no way to provide this capability without also weakening the security of… Continue reading Cybersecurity for the Public Interest

"Insider Threat" Detection Software

Notice this bit from an article on the arrest of Christopher Hasson: It was only after Hasson’s arrest last Friday at his workplace that the chilling plans prosecutors assert he was crafting became apparent, detected by an internal Coast Guard program that watches for any "insider threat." The program identified suspicious computer activity tied to Hasson, prompting the agency’s investigative… Continue reading "Insider Threat" Detection Software

Reverse Location Search Warrants

The police are increasingly getting search warrants for information about all cell phones in a certain location at a certain time: Police departments across the country have been knocking at Google’s door for at least the last two years with warrants to tap into the company’s extensive stores of cellphone location data. Known as "reverse location search warrants," these legal… Continue reading Reverse Location Search Warrants

Evaluating the GCHQ Exceptional Access Proposal

The so-called Crypto Wars have been going on for 25 years now. Basically, the FBI — and some of their peer agencies in the UK, Australia, and elsewhere — argue that the pervasive use of civilian encryption is hampering their ability to solve crimes and that they need the tech companies to make their systems susceptible to government eavesdropping. Sometimes… Continue reading Evaluating the GCHQ Exceptional Access Proposal

Security Vulnerabilities in Cell Phone Systems

Good essay on the inherent vulnerabilities in the cell phone standards and the market barriers to fixing them. So far, industry and policymakers have largely dragged their feet when it comes to blocking cell-site simulators and SS7 attacks. Senator Ron Wyden, one of the few lawmakers vocal about this issue, sent a letter in August encouraging the Department of Justice… Continue reading Security Vulnerabilities in Cell Phone Systems

Security Vulnerabilities in Cell Phone Systems

Good essay on the inherent vulnerabilities in the cell phone standards and the market barriers to fixing them. So far, industry and policymakers have largely dragged their feet when it comes to blocking cell-site simulators and SS7 attacks. Senator Ron… Continue reading Security Vulnerabilities in Cell Phone Systems

Detecting Credit Card Skimmers

Interesting research paper: "Fear the Reaper: Characterization and Fast Detection of Card Skimmers": Abstract: Payment card fraud results in billions of dollars in losses annually. Adversaries increasingly acquire card data using skimmers, which are attached to legitimate payment devices including point of sale terminals, gas pumps, and ATMs. Detecting such devices can be difficult, and while many experts offer advice… Continue reading Detecting Credit Card Skimmers

More on the Five Eyes Statement on Encryption and Backdoors

Earlier this month, I wrote about a statement by the Five Eyes countries about encryption and back doors. (Short summary: they like them.) One of the weird things about the statement is that it was clearly written from a law-enforcement perspective, though we normally think of the Five Eyes as a consortium of intelligence agencies. Susan Landau examines the details… Continue reading More on the Five Eyes Statement on Encryption and Backdoors

Security Risks of Government Hacking

Some of us — myself included — have proposed lawful government hacking as an alternative to backdoors. A new report from the Center of Internet and Society looks at the security risks of allowing government hacking. They include: Disincentive for vul… Continue reading Security Risks of Government Hacking