Almost 100 million people’s passwords leaked online after the ‘Yahoo of Russia’ was hacked

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Russian President Vladimir Putin. Sean Gallup/Getty Images

In recent months, there has been a spate of headlines about historic “mega-breaches”: Huge hacks of big tech companies, often affecting tens of millions of users.

The latest:, a Russian web portal similar to Yahoo.

Data breach monitoring service LeakedSource has obtained almost 100 million user logins for users, that were apparently obtained in hack of the site in February 2012.

Worryingly, users’ passwords were not encrypted in any way — leaving users extremely vulnerable to hackers.

Data breaches like these are valuable to hackers and identity thieves because they can use the login details, if not properly secured, to try and log into other services that users have an account with. If you re-use a password, every one of your accounts, from banking to social networks, can end up compromised as a result of a successful hack on just one.

As such, this breach will remain useful to criminals even though it’s more than four years old — because many people re-use the same password over and over, never changing it. It’s for this reason that security experts recommend you use a strong, unique password for every site or service you’re registered with, using a password management app to store them if necessary. If you don’t, it could come back to bite you — years later.

All in all, LeakedSource says, 98,167,935 user accounts have been leaked. did not immediately respond to a request for comment.

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The homepage of

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