• AdultFriendFinder has been hacked once again.

AdultFriendFinder has been hacked once again. (Photo : YouTube / Belinda Smith)

Adult social media website AdultFriendFinder.com and others have fallen again to hackers as over 400 million accounts have been leaked which include their passwords and email addresses.

Users who have accounts on AdultFriendFinder, Penthouse, Cams.com and Stripshow may want to change their passwords on their other accounts if they use the same ones across all of them. Hackers have already leaked over 300 million accounts on AdultFriendFinder and it turns out that most people are still using easy to guess and lousy passwords.

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Cams.com had more than 62 million accounts leaked while Penthouse had over 7 million. Stripshow had 1.4 million and iCams.com had more than 1.1 million accounts leaked.

AdultFriendFinder's database was reportedly attacked by hackers using a local file inclusion exploit, TechCrunch has learned. Once the vulnerability was exploited, hackers gained access to their other networks which led to the massive hack being possible.

There was also a huge fault from AdultFriendFinder as the passwords were stored in plaintext without any encryption or other security whatsoever. It was easy for the hackers to just copy the data and release it to the public considering that they did not need to decrypt it any more.

Another startling discovery in the FriendFinder networks hack is that the top password was still "123456," Mashable reported. The top two and top three were "12345" and "123456789," which begs the question why do still people use these passwords?

Some may just use them because they do not think that their adult dating accounts are targets of hackers. In addition, some just sign up in order to look at the photos and videos of other adults registered on the sites.

It is not the first time that adult dating sites have been hacked and it is not the first time that FriendFinder was targeted. In 2015, the massive Ashley Madison hack took the spotlight for online security while FriendFinder was also hacked in the same year.