Published On: Wed, Nov 8th, 2017

Four years later, Yahoo still doesn’t know how 3 billion accounts were hacked

On Wednesday, in a confidence conference that called both Equifax and Yahoo’s past and benefaction executives to Washington, D.C., we’re training a bit some-more about what Yahoo didn’t know about a biggest penetrate in history.

When pulpy about how Yahoo unsuccessful to commend that 3 billion accounts — and not 500 million as initial reported — were compromised in what was after suggested to be a state-sponsored conflict by Russia, former Yahoo CEO Marissa Mayer certified that a specifics of a conflict still sojourn unknown.

“To this day we have not been means to brand a penetration that led to this theft,” Mayer told a Senate Commerce Committee. “We don’t accurately know how a act was perpetrated. That positively led to some of a areas where we had gaps of information.”

Notably, while Mayer is no longer with a company, Verizon Chief Privacy Officer Karen Zacharia, also benefaction on a panel, did not carillon in to remonstrate with that assessment.

Yahoo did not notice that it had been compromised in 2013 and 2014 until third-party justification of a penetrate was presented to a association by law coercion in 2016. Yahoo afterwards began operative with a Department of Justice and a FBI, and a agencies resolved that in 2014 a association was a plant of a large Russian state-sponsored conflict for that it was in no approach prepared.

“Yahoo worked closely with law enforcement, including a Federal Bureau of Investigation, who were eventually means to brand and display a hackers obliged for a attacks,” Mayer pronounced in her testimony. “We now know that Russian comprehension officers and state-sponsored hackers were obliged for rarely formidable and worldly attacks on Yahoo’s systems.”

According to Zacharia, Verizon performed new sum on a penetrate after it acquired Yahoo in Jun of 2017. The new primogenitor association acted within a week to divulge a vastly widened range of a attack, that tripled to 3 billion influenced users.

“We performed new information from a third celebration and reviewed it with a assistance of a same outward debate experts that Yahoo had used previously,” Zacharia explained in her opening remarks. “Based on that review, we resolved that all accounts — and not only a subset — were impacted by a 2013 confidence incident.”

Featured Image: Justin Sullivan/Getty Images

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