Yahoo
hack could have affected billions of
accounts, former exec claims



The
Yahoo breach
could have affected more accounts than previously reported.
Yahoo
confirmed last week that data from at least 500 million user accounts had been stolen in the company's network from late 2014.*
However, the number of
affected accounts may be between 1 billion and 3 billion,
Business Insider reported Friday, citing one
former Yahoo executive who is familiar with the company's security and still speaks to employees at the company.*
SEE ALSO:
What this Yahoo data breach means for you
The
hack could be much larger than
Yahoo has said due to how the company stores information on and authenticates users. All of Yahoo's products were
affected by the breach and are tied to one user database, the unnamed source said.*
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