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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 260 posts.

2015
247

EFF's “Yellow Dots of Mystery” (2008)

Since late 2004, EFF has been warning the public about "printer dots" -- tiny yellow dots that appear on documents produced by many color laser printers and copiers. These yellow dots form a coded pattern on every page the printer produces and can be used to identify specific details about a...

253

Fuzzing FFmpeg for fun and profit

One of the great things about having rack-space in our new office is that we can now support open source projects using our equipment such as FFmpeg and Libav. They are critical parts of our software as well as underpin much of multimedia processing in the world today.

259

The CA's Role in Fighting Phishing and Malware

Since we announced Let’s Encrypt we’ve often been asked how we’ll ensure that we don’t issue certificates for phishing and malware sites. The concern most commonly expressed is that having valid HTTPS certificates helps these sites look more legitimate, making people more likely to trust them. Deciding what to do here…

260

Why ninety-day lifetimes for certificates?

This is a historic blog post at this point. Please see our certificate lifetime documentation for the current status of certificate lifetimes. We’re sometimes asked why we only offer certificates with ninety-day lifetimes. People who ask this are usually concerned that ninety days is too short and wish we would offer…