Yahoo reveals hack affected more than 1 billion users

The company said the recent information about the hack, which occurred in August 2013, was associated with the announcement it made in October. Is there a way to repair the damage?


Yahoo suffered yet another devastating hack that left vulnerable data from more than 1 billion users.

The hack occurred in August 2013, but the company just revealed the news this week—and it doesn’t exactly know how it happened. The recent news adds to Yahoo’s announcement in September that data from 500 million users was compromised.

Yahoo’s chief information security officer, Bob Lord, wrote in a blog post:

We have not been able to identify the intrusion associated with this theft. We believe this incident is likely distinct from the incident we disclosed on September 22, 2016.

Lord said the stolen information could include “names, email addresses, telephone numbers, dates of birth, hashed passwords (using MD5) and, in some cases, encrypted or unencrypted security questions and answers.”

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The breach could have a devastating impact on Yahoo’s already struggling image.

Research from Alertsec found that it will likely take “several months to begin trusting a company like Yahoo again following a data breach.”

Yahoo won’t gain back the graces of all its users, either. The group’s findings show that as many as 17 percent of men and 11 percent of women will never trust Yahoo again.

The PR crisis also puts in jeopardy Verizon’s $4.8 billion deal to acquire Yahoo.

Verizon lawyers in October said that the company should essentially get a discount on the purchase price. At the time, they were looking to knock off between half a million and $1 billion from the price. There’s no word yet on how the latest information will affect the deal.

“[Our] lawyers had their first call with Yahoo yesterday to provide us information,” Verizon CFO Fran Shammo told the New York Post. “That’s going to be a long process. Unless Yahoo comes up with a different process, it’s going to take some time to evaluate this. Until then we haven’t reached any final conclusion around this issue.”

How would you advise Yahoo’s team to bolster its image, PR Daily readers?

(Image by gaku.,  via)

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