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Cloudflare Blog

blog.cloudflare.com

Technical deep dives, product updates, and insights from the teams that are helping to build a better Internet.

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Visit blog.cloudflare.com → RSS feedOn Hacker News Jun 2011 – Nov 2026

Networking & Internet 106Security & Privacy 101Infrastructure & DevOps 77Web & Frontend 75Systems & Performance 64Software Engineering 53

101

Validating Leaked Passwords with k-Anonymity

Today, v2 of Pwned Passwords was released as part of the Have I Been Pwned service offered by Troy Hunt. Containing over half a billion real world leaked passwords, this database provides a vital tool for correcting the course of how the industry combats modern threats against password security.