The Privacy BlogPrivacy, Security, Cryptography, and Anonymity

CAT | Anonymity

Tor just announced that they have detected and blocked an attack that may have allowed hidden services and possibly users to be de-anonymized. It looks like this may be connected to the recently canceled BlackHat talk on Tor vulnerabilities. One hopes so, otherwise the attack may have been more hostile than simple research. Tor is […]

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Thanks to WhoIsHostingThis for providing this informative infographic (click to enlarge). They provide a cool service that allows you to look up the hosting service behind any website.

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In episode 21 of our podcast for July, I talk about: A decision giving Canadians more rights to Anonymity Iraq’s recent blocking of social media and more Iran’s outright criminalization of social media A court decision requiring warrants to access cell tower location data Another court stating that irrelevant seized data needs to be deleted after searches […]

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The Importance of Privacy & The Power of Anonymizers: A Talk With Lance Cottrell From Ntrepid — The Social Network Station A recent interview I did, talking about data anonymization and mobile device privacy. Lance Cottrell is the Founder and Chief Scientist of Anonymizer. Follow me on Facebook, Twitter, and Google+.

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One often hears that some massive collection of data will not have privacy implications because it has been “anonymized”. Any time you hear that, treat the statement with great skepticism. It turns out that effectively anonymizing data, making it impossible to identify the individuals in the data set, is much harder than you might think. […]

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Canada’s Supreme Court just released a ruling providing some protection for on-line anonymity. Specifically, the ruling requires law enforcement to obtain a warrant before going to an Internet provider to obtain the identity of a user. Previously they were free to simply approach the provider and ask (but not compel) the information. The judges found […]

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Paying for anonymity is a tricky thing, mostly because on-line payments are strikingly non-anonymous. The default payment mechanism on the Internet is the Credit Card, which generally requires hard identification. There are anonymous pre-paid cards, but they are getting harder to find, and most pre-paid cards are requiring registration with real name and (in the […]

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Whistleblowers Beware: Apps Like Whisper and Secret Will Rat You Out | Business | WIRED Here is more evidence that, if a service has access to your information, that it can get out. In this case the privacy services Whisper and Secret have privacy policies that say they will release messages tied to your identity […]

Meet The Woman Who Did Everything In Her Power To Hide Her Pregnancy From Big Data | ThinkProgress Janet Vertesi, sociology professor at Princeton, recently tried an on-line experiment. She had just discovered that she was pregnant, and wanted to see if it would be possible to hide that fact from “big data”. Could she […]

On Monday, Dec 16, during final exams, someone sent an email  to Harvard University administrators saying that there were bombs in two of four named buildings on campus. The threat was a hoax to get out of final exams. The sender used TOR and Guerrilla Mail, a disposable email address service, to hide his identity. […]

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