2010 — Formspring: Formspring was tipped off to a breach after 420,000… 2010 420.0K records affected Share on X Technical writeup Formspring was tipped off to a breach after 420,000 hashed passwords were posted to a security forum. Root cause Hacked Referenceshttp://news.cnet.com/8301-1009_3-57469944-83/formspring-disables-user-passwords-in-security-breach/?tag=mncol;txt