2011 — China Software Developer Network: Hacked, 6.0M records 2011 6.0M records affected Share on X Technical writeup Data breach reported to Have I Been Pwned or similar sources. Further technical details not publicly disclosed. Root cause Hacked Referenceshttp://www.zdnet.com/blog/security/chinese-hacker-arrested-for-leaking-6-million-logins/11064