Yahoo 2013 Data Breach Affected 3 Billion Customers, 3 Times More than Initially Reported

October 03, 2017 04:44 PM

Nine months ago, Yahoo's data breach was called the largest in history. Watch ABC coverage when the story broke in the video player above.


Yahoo has tripled down on what was already the largest data breach in history, saying it affected all 3 billion of its users, not the 1 billion it revealed late last year.

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The company announced Tuesday that it's providing notice to additional user accounts affected by the August 2013 data theft.

RELATED: Yahoo Punishes CEO in Latest Fallout from Security Breakdown

The breach was previously disclosed by the company in December.

Following its acquisition by Verizon in June, Yahoo says, it obtained new intelligence while investigating the breach with help from outside forensic experts.

RELATED: Yahoo Issues New Warning of Potential Email Account Breach

It says the stolen customer information did not include passwords in clear text, payment card data or bank account information.

RELATED: AP Source: Russian Hackers Charged in Massive Yahoo Breach

Credits

The Associated Press

(Copyright 2017 by The Associated Press. All Rights Reserved.)

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