2016 — Dropbox: User credentials were stolen in a 2012 hack, but… 2016 68.7M records affected Share on X Technical writeup Aug 2016. User credentials were stolen in a 2012 hack, but the number affected has only just come to light. Root cause Hacked Referenceshttp://www.telegraph.co.uk/technology/2016/08/31/dropbox-hackers-stole-70-million-passwords-and-email-addresses/