Yahoo has revealed it was the victim of another cyberattack on its users’ data.
The company said Wednesday that it has found evidence of a massive hack that occurred in the fall of 2013 and compromised personal information belonging to more than a billion of the site’s users.
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Yahoo believes the breach was likely separate from the late-2014 attack it brought to light last September, in which data related to more than 500 million accounts was leaked by what the company thought to be “a state-sponsored actor.”
In this case, law enforcement officials first alerted Yahoo to files that a “third party” claimed were stolen user data. With the help of forensic experts, the company was able to confirm their authenticity but has yet to identify a corresponding intrusion, Bob Lord, Yahoo’s security head, wrote in …
Via: Mashable: Business