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How to watch ex-Yahoo Marissa Mayer and Equifax executives testify to Congress on major data breaches

The Senate Commerce Committee convenes its hearing at 10 am ET today.

Former Yahoo CEO Marissa Mayer
Former Yahoo CEO Marissa Mayer
Matt Winkelmeyer/Getty Images for Glamour

U.S. lawmakers will grill current and former executives from Equifax and Yahoo at a hearing today focused on security breaches at their companies that have affected billions of internet users.

With Equifax, the focus is a 2017 incident that affected 145 million Americans’ personal information — including home addresses and, in some cases, driver’s license numbers and credit card data. Representing the company are Paulino do Rego Barros, Jr, its interim chief executive, and Richard Smith, who led Equifax at the time of the intrusion.

For Yahoo, lawmakers are probing a 2013 breach, which the company reported in December of 2016 as it proceeded with its plans to merge with Verizon. Initially, Yahoo estimated that a billion users had been affected, but in October 2017, it acknowledged that hackers actually compromised three billion accounts.

To that end, Marissa Mayer, the former CEO of Yahoo, is set to testify today. She initially resisted appearing before the committee, leading lawmakers to subpoena her. She’s slated to be joined by Karen Zacharia, the deputy general counsel and chief privacy officer at Verizon.

The hearing before the Senate Commerce Committee begins at 10 am ET/7 am PT, and you can stream it here.

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