Former CEO of Yahoo testifies before Congress

Chelsea West
November 9, 2017

The current and former chief executives of credit bureau Equifax, which disclosed in September that a data breach affected as many as 145.5 million US consumers, said they did not know who was responsible for the attack.

The 42-year-old, who testified before the Senate Commerce Committee on Capitol Hill in Washington on Wednesday, said the thefts occurred during her almost five-year tenure and she wants to 'sincerely apologize to each and every one of our users'.

Marissa Mayer Testifies on the Challenges of Halting State-Backed Persistent AttacksEric Chabrow (GovInfoSecurity) • November 8, 2017 Former Yahoo CEO Marissa Mayer testifies before a Senate panel on Wednesday. It's also implemented new measures to protect the affected accounts.

Although Mayer testified that the 2014 breach was state-sponsored, Yahoo still hasn't concluded who was responsible for the 2013 hack.

A representative for Mayer said on Tuesday she was appearing voluntarily.

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Mayer testified along with interim Equifax CEO Paulino do Rego Barros Jr. and former Equifax CEO Richard Smith, as well as Verizon's chief privacy officer Karen Zacharia and Entrust Datacard CEO Todd Wilkinson. The executives remained mute.

In the end, she said "Russian agents intruded on our systems and stole our users" data'.

Mayer volunteered to testify on data breaches, but only after being subpoenaed. So far, no nation-state connection to the much larger 2013 breach has been revealed. The company adopted a comprehensive information security program created to enhance its policies, procedures and controls based on the National Institute of Standards and Technology's cybersecurity framework, she said.

Senator John Thune, a Republican who chairs the Commerce Committee, asked Mayer on Wednesday why it took three years to identify the data breach or properly gauge its size. Mayer answered that such attacks are complex and persistent and the understanding of the facts behind them evolve over time.

"We verified that it came from Yahoo, but we don't exactly understand how the act was perpetrated", she told the committee.

Other reports by TheSundaySentinel

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