The Privacy BlogPrivacy, Security, Cryptography, and Anonymity

CAT | Security Breaches

The point of sales (POS) breaches at Hilton, and Starwood before that, suggest that a group of hackers is specifically targeting hotels, probably because most travelers have above average income. It should also make us brace for a likely wave of further POS breaches in many other businesses during the holiday shopping season. It really […]

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The Ashley Madison hack is putting many at risk, but there are several things we can learn from it.

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The Hola peer to peer VPN service suffered a number of very damaging security revelations today including exploit vulnerabilities, exposed administrative tools, & broken architecture impacting 45 million active users of the service.

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A new APT called DarkHotel conducts very targeted attacks against executives in Asian hotels. There are several things you can do to protect yourself.

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How to protect yourself against the recent Rootpipe vulnerability in the Mac OS X version of sudo, which would allow an attacker total control of your computer.

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Two new attacks on Tor have recently been published. One inserts malware into software updates, the other compromises bitcoin transactions.

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BadUSB security vulnerability is very broad, exploit code has been released, and it is unlikely to be fixed any time soon. Video Podcast.

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The Internet is on fire with discussions of the recent release of stolen nude photos of over 100 female celebrities. This is a massive invasion of their privacy, and it says something sad about our society that there is an active market for such pictures. While this particular attack was against the famous, most of […]

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Your Anonymous Posts to Secret Aren’t Anonymous After All | Threat Level | WIRED This article describes a clever attack against Secret, the “anonymous” secret sharing app. Their technique allows the attacker to isolate just a single target, so any posts seen are known to be from them. The company is working on detecting and […]

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“The Big Hack, or maybe not…” — The Social Network Station On Friday I was asked to come on The Social Network Show to talk about the fact and questions surrounding the theft of over 1 Billion passwords. Lance Cottrell is the Founder and Chief Scientist of Anonymizer. Follow me on Facebook, Twitter, and Google+.

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