How Do I Prevent an Ex From Accessing My Accounts?
by David Murphy from Lifehacker on (#5BTFG)

A friend of mine just had their Facebook account broken into the other day, and the attackers employed an ingenious trick to lock her out forevermore: enabling two-factor authentication and tying it to a random phone number. As a result, she can't get in no matter how many password resets she submits, and Facebook's...