The disclosure from Verizon, which acquired Yahoo's
The statement said the estimate is based on "new intelligence" following an investigation with the assistance of outside forensic experts into the incident in August 2013.
"While this is not a new security issue, Yahoo is sending email notifications to the additional affected user accounts," said a statement issued by Verizon's internet unit known as Oath.
"The investigation indicates that the user account information that was stolen did not include passwords in clear text, payment card data, or bank account information. The company is continuing to work closely with law enforcement."
The Yahoo breach was already believed to be the largest ever in terms of numbers of users affected. But a recently disclosed breach by credit agency Equifax is seen as potentially more damaging because of the sensitivity of the data leaked.
Yahoo brand lives on
Although Yahoo is no longer an independent company—its financial holdings are in a separate company now called Altaba—Verizon has continued to operate the Yahoo brand, including its email service and a variety of news and entertainment websites.
Read more at: https://phys.org/news/2017-10-hack-billion-yahoo-accounts-company.html#jCp
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