Hackers Sell Details on Members of Russian Dating Site

Compromised usernames and e-mail addresses of 20 million visitors to a Russia-based online dating service have been offered for sale online.

Fraud-detection software-maker Easy Solutions spotted a posting by the thief, a crook self-dubbed “Mastermind,” in an underground Web forum.

In a statement, Topface CEO Dmitry Filatov said, “We are pretty sure that our users will not have any problems even if any data was stolen from our service.”

But such personal information usually sells quickly to fraudsters who use search programs to find sites where people used the same information they did to access the dating site.

Fifty percent of the credentials were from people based in Russia, and 40 percent came from the European Union.

Hackers target popular websites to steal usernames and passwords that they exploit to break into electronic-payment and mobile-phone accounts.