2013 — Dun & Bradstreet: Hackers stole millions of social security numbers -… 2013 1.0M records affected Share on X Technical writeup Hackers stole millions of social security numbers - including Michelle Obama's - from 3 large US data brokers Root cause Hacked Referenceshttp://www.usatoday.com/story/cybertruth/2013/09/26/lexisnexis-dunn--bradstreet-altegrity-hacked/2878769/http://www.reuters.com/article/2013/09/26/us-cyberattacks-databrokers-idUSBRE98P03220130926http://www.bbc.co.uk/news/technology-24284277