Newspaper article St Louis Post-Dispatch (MO)

Yahoo Discloses New Data Breach Affecting 1 Billion Accounts

Newspaper article St Louis Post-Dispatch (MO)

Yahoo Discloses New Data Breach Affecting 1 Billion Accounts

Article excerpt

Yahoo said Wednesday that 1 billion user accounts meaning most of the Internet giant's customers worldwide were hacked by a "state- sponsored" attacker in 2013, leading to the release of user names, telephone numbers, dates of birth and other personal information.

Report of the hacking, coming after the announcement of a separate attack affecting 500 million accounts in September, means that Yahoo has been the victim of two of the biggest data breaches in history, both of which have been announced since Yahoo, based in Sunnyvale, Calif., agreed to sell its core businesses to telecommunications giant Verizon in July for $4.8 billion.

The number of accounts affected in 2013 was double the number implicated in the breach that the internet company disclosed in September and blamed on hackers working on behalf of a government. News of that attack, which affected at least 500 million accounts, prompted Verizon Communication Inc. to say in October that it might withdraw from an agreement to buy Yahoo's core internet business for $4.83 billion.

Yahoo was tentative in its description of new problems, saying the incident was "likely" distinct from the one it reported in September.

The new hack raises fresh questions about whether the big mobile carrier will seek to modify or abandon its bid. If the hackings cause a user backlash against Yahoo, the company's services wouldn't be as valuable to Verizon.

Verizon spokesman Bob Varettoni said, "As we've said all along, we will evaluate the situation as Yahoo continues its investigation. We will review the impact of this new development before reaching any final conclusions."

Regarding the deal, Yahoo said in a statement, "We are confident in Yahoo's value and we continue to work towards integration with Verizon."

"The fact that we now have two breaches implies that Yahoo security measures were inadequate. …

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