45 million users affected by breach on more than 1,100 websites


In February 2016, a hacker stole member information for over 1,000 message forums that covered auto, sports and technology communities hosted by the company. The breach included usernames, passwords with weak encryption and IP addresses.

At that time, it was one of the largest data breaches ever ranking sixth according to security researcher Troy Hunt.

Many of these forums were running old versions of software with known security vulnerabilities that hackers were able to exploit.

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