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Uber is taking heat over its handling of rider and driver data. Photo: Kirsty Wigglesworth / AP

Senators are targeting Uber after the company said that 57 million accounts belonging to drivers and customers had been breached by hackers.

Why it matters: It's just the latest regulatory headache for Uber, which still has an IPO in its sights.

Democratic Sen. Mark Warner said in a letter to the company's CEO that "Uber's conduct raises serious questions about the company's compliance with relevant state and federal regulations." Warner has been a key critic of the tech industry of late, especially over allegations Russian operatives used online platforms to interfere with the 2016 election.

Sen. John Thune, the chamber's third-highest ranking Republican and the chair of the Commerce Committee, joined three others on a separate letter saying that it was a "a serious incident that merits further scrutiny" and that a payment to the hackers was especially "troubling." That letter also includes Orrin Hatch, the top Republican on the Senate Finance Committee. Both letters request responses from the company.

Go deeper

Janet Yellen confirmed as Treasury secretary

Janet Yellen. Photo: Alex Wong/Getty Images

The Senate voted 84-15 to confirm Janet Yellen as Treasury secretary on Monday.

Why it matters: Yellen is the first woman to serve as Treasury secretary, a Cabinet position that will be crucial in helping steer the country out of the pandemic-induced economic crisis.

Dan Primack, author of Pro Rata
4 hours ago - Economy & Business

Scoop: Red Sox strike out on deal to go public

Illustration: Sarah Grillo/Axios

The parent company of the Boston Red Sox and Liverpool F.C. has ended talks to sell a minority ownership stake to RedBall Acquisition, a SPAC formed by longtime baseball executive Billy Beane and investor Gerry Cardinale, Axios has learned from multiple sources. An alternative investment, structured more like private equity, remains possible.

Why it matters: Red Sox fans won't be able to buy stock in the team any time soon.