Yahoo is investigating the claims of a hacker that 200 million+ Yahoo account credentials and personally identifiable information have been backed and are for sale on the dark web. The hacker, who claims to also be associated with recent LinkedIn and MySpace data breaches, stated that the data is “most likely” from 2012.
The hacker, known as “Peace”, admitted that the passwords appear to be scrambled, but also published an algorithm that supposedly unscrambles the data.
Yahoo said that it is “working to determine the facts”.
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