All three billion Yahoo accounts breached in 2013 hack

But credit card data, bank details were not compromised in data theft

Yahoo’s headquarters in Sunnyvale, California
Yahoo’s headquarters in Sunnyvale, California
(Image credit: Justin Sullivan/Getty Images)

All of Yahoo’s three billion accounts were compromised in a 2013 data theft by unknown hackers in what Reuters calls “the largest breach in history”, the company has admitted.

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