November 24, 2024

On the value of encrypting your phone

This is a true story. Yesterday my phone crashed, and it wouldn’t reboot. Actually it would do nothing but reboot, over and over, with a seemingly different error message every time. I tried all of the tricks available to a technically handy person, and nothing worked—I couldn’t get it out of the crash-reboot cycle. So […]

Guessing passwords with Apple’s full-device encryption

With the recently-introduced iOS 8, Apple has switched to a encrypting a much larger amount of user data by default. Matt Green has provided an excellent initial look at a technical level and big-picture level and Apple has recently released a slightly more detailed specification document and an admirable promise never to include backdoors. This move, and Google’s prompt promise […]

Security Audit of Safeplug "Tor in a Box"

Last month at the FOCI workshop, we presented a security analysis of the Safeplug, a $49 box which promised users “complete security and anonymity” online by sending all of their web traffic through the Tor onion routing network. Safeplug claims to offer greater usability, particularly for non-technical customers, than the state-of-the-art in anonymous Internet browsing: […]

Takedown 2.0: The Trouble with Broad TROs Targeting Non-Party Online Intermediaries

On August 14, a federal district court in Oregon issued an ex parte temporary restraining order (TRO) in a civil copyright infringement case, ABS-CBN v. Ashby. The defendants in the case are accused of operating several “pirate websites” that infringe the plaintiffs’ copyrights in broadcast television programs. In addition to ordering the defendants to stop […]

Airport Scanners: How Privacy Risk Leads to Security Risk

Debates about privacy and security tend to assume that the two are in opposition, so that improving privacy tends to degrade security, and vice versa. But often the two go hand in hand so that privacy enhances security. A good example comes from the airport scanner study I wrote about yesterday.