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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 316 posts.

2019
75

Technology Preview: Signal Private Group System

Groups are inherently social, and Signal is a social app. Whether you’re planning a surprise party, discussing last night’s book club meeting, exchanging photos with your family, or organizing something important, group messaging has always been a key feature of Signal. Signal provides private gr...

90

Security Update

Over the weekend, there was an attack on Stack Overflow. We have confirmed that some level of production access was gained on May 11. We discovered and investigated the extent of the access and are addressing all known vulnerabilities. We have not identified any breach of customer or user data. Our customers’ and…