LivingSocial - 2013
As many as 50 million LivingSocial members may have had their names, email addresses, dates of birth, and encrypted passwords exposed by a cyber attack. Customer credit card information was not compromised. Customers were encouraged to change their passwords on any other sites on which they used the same or similar passwords.UPDATE (05/03/2013): As many as 50 million acounts may have been affected. It is estimated that 29 million people used LivingSocial and many had multiple accounts.