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Why to use Twitter, Facebook and Google Plus share links and not buttons
Use share buttons for Facebook, Twitter and Google Plus in your blog, that does not expose your users to tracking, or violate their privacy. Use share links to do this
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Most TOR servers are vulnerable (NSA crackable)
After more revelations, and expert analysis, we still aren't precisely sure what crypto the NSA can break. But everyone seems to agree that...
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TextSecure: Forward secrecy for asynchronous messages
Traditionally, asynchronous messaging systems such as email have relied on protocols like PGP or S/MIME for cryptographic security. These protocols work the way most people are familiar with: one who wishes to receive encrypted email advertises a public key, and those wishing to send encrypted e...
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Advanced cryptographic ratcheting
At Open Whisper Systems, we’ve been working on improving our encrypted asynchronous chat protocol for TextSecure. The TextSecure protocol was originally a derivative of OTR, with minor changes to accommodate it for transports with constraints like SMS or Push. Some of the recent changes we’ve ...
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Comcast caught hijacking web traffic
On November 20th, 2012 Comcast hijacked my HTTP traffic and re-routed it through their own servers, injecting a “notice” on the page before completing the request. What this means is instead of my web request being routed to the website I wanted to visit, Comcast took it upon themselves to hijack my web…
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Google CEO Eric Schmidt Dismisses the Importance of Privacy
Yesterday, the web was buzzing with commentary about Google CEO Eric Schmidt's dangerous, dismissive response to concerns about search engine users' privacy. When asked during an interview for CNBC's recent "Inside the Mind of Google" special about whether users should be sharing information with...
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Deterministic Builds Part One: Cyberwar and Global Compromise
I've spent the past few months developing a new build system for the 3.0 series of the Tor...