2004 — AOL: A former America Online software engineer stole 92…

2004 92.0M records affected

Technical writeup

A former America Online software engineer stole 92 million screen names and e-mail addresses and sold them to spammers who sent out up to 7 billion unsolicited e-mails.

Root cause

Inside job

References

http://money.cnn.com/2004/06/23/technology/aol_spam/
http://www.msnbc.msn.com/id/8985989/#.UFcN8RgUwaA