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Yahoo's 2013 Email Hack Actually Compromised Three Billion Accounts

Yahoo stated that its August 2013 breach affected every Yahoo user account that existed at the time—three billion accounts in total. The company had previously estimated that one billion accounts were affected.

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Yahoo's 2013 Email Hack Actually Compromised Three Billion Accounts

Yahoo stated that its August 2013 breach affected every Yahoo user account that existed at the time—three billion accounts in total. The company had previously estimated that one billion accounts were affected.