Marissa Mayer testimony: I don't know how Yahoo hack happened

Marissa Mayer yahoo

The Senate's commerce committee sought answers from Equifax and Yahoo executives Wednesday, over the companies' massive data breaches this year.

"Right now there's just not enough of a disincentive to hack", she said.

"Yahoo worked closely with law enforcement, including the Federal Bureau of Investigation, who were ultimately able to identify and expose the hackers responsible for the attacks", she said.

Congress grilled Mayer on why it took so long to let users know about the breach and why Yahoo! underestimated the number of accounts affected.

Mayer apologized during the hearing.

Those interviewed by the committee included Interim Equifax CEO Paulino do Rego Barros Jr., former Equifax chief Richard Smith and former Yahoo CEO Marissa Mayer.

Mayer apologized for both breaches and said that its hard for companies to fight against state-sponsored attackers who "tend to be more sophisticated, more persistent and who attack more targets.They're very good at hiding their tracks", she said.

While speaking to lawmakers on Wednesday, former Yahoo CEO Marissa Mayer (above) apologized for Yahoo hacks and claims that no company is immune from them.

Her former and current counterparts at Equifax were called in to explain what they're doing in the wake of the September data breach where names, addresses, Social Security numbers, birth dates and driver's license numbers on more than 145 million Equifax customers were stolen.




He also said the company is on schedule to release a computer app in January that will allow consumers to lock and unlock their credit data.

"Unfortunately, while all our measures helped Yahoo successfully defend against the barrage of attacks by both private and state-sponsored hackers, Russian agents intruded on our systems and stole our users' data", she said.

"We did not meet the public's expectations, and now it's up to us to prove that we can regain their trust", Barros said.

"We describe this as arms race, hackers become ever more sophisticated and we have to become sophisticated in turn", Mayer said.

Yahoo said it's doubled its security team, while Equifax said its budget for security increased four-folds since the breach.

And while Barros discussed Equifax's tools for breach victims, he noted that barely any people are using it.

Sen. Bill Nelson, D-Fla., said lawmakers need to have the political will to hold corporations more accountable for breaches.

"Under current law, even some of the most egregious examples of lax security can be met only with apologies and promises to do better next time".

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