Topics /

Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 679 posts.

2025
61

Age Verification Laws: A Backdoor to Surveillance

I’m old enough to remember when age verification bills were pitched as a way to ‘save the kids from porn’ and shield them from other vague dangers lurking in the digital world (like…“the transgender”). We have long cautioned about the dangers of these laws, and pointed out why they are likely to...

64

Signal Protocol and Post-Quantum Ratchets

We are excited to announce a significant advancement in the security of the Signal Protocol: the introduction of the Sparse Post Quantum Ratchet (SPQR). This new ratchet enhances the Signal Protocol’s resilience against future quantum computing threats while maintaining our existing security guar...

65

Two billion email addresses were exposed

I hate hyperbolic news headlines about data breaches, but for the "2 Billion Email Addresses" headline to be hyperbolic, it'd need to be exaggerated or overstated - and it isn't. It's rounded up from the more precise number of 1,957,476,021 unique email addresses, but other

79

By default, Signal doesn't recall

Signal Desktop now includes support for a new “Screen security” setting that is designed to help prevent your own computer from capturing screenshots of your Signal chats on Windows. This setting is automatically enabled by default in Signal Desktop on Windows 11. If you’re wondering why we’re on...

82

Pi-hole v6

We’ve integrated a new REST API and embedded web server directly into the pihole-FTL binary. This eliminates the need for lighttpd and PHP , reducing the installation footprint and boosting performance. The new API also offers server-side pagination for the query log, ensuring a faster and more responsive interface.