Army Gen. Paul Nakasone, who leads the National Security Agency and U.S. Cyber Command, testifies on Capitol Hill in January. Nakasone has been calling for the U.S. to take a harder line against rivals in cyberspace. He said the U.S. sent three Cyber Command teams to Europe last November as part of a larger effort to prevent Russian interference in mid-term elections.
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Marriott said that for 327 million guests of its Starwood network, which includes Westin hotels like this one near San Francisco, the compromised data includes dates of birth and passport numbers.
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"I think we all still have PTSD from 2016," says Raffi Krikorian, chief technology officer at the Democratic National Committee, referring to the massive hack of DNC emails at a pivotal moment in the presidential election.
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Former Assistant Secretary of State for European and Eurasian Affairs Victoria Nuland testifies before the Senate Intelligence Committee on Wednesday about the policy response to Russian interference in the 2016 election and spoke of what other countries may be doing to emulate Russia's tactics.
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Travis County Clerk Dana Debeauvoir speaks to the media at the Early Voting Mega Center at Austin in October 2016. Debeauvoir has spent a decade trying to create a more secure electronic touchscreen voting system.
Jorge Sanhueza-Lyon/KUT News
Despite improvements since Russia's attack on the 2016 presidential race, the U.S. elections infrastructure is vulnerable — and will remain so in November.
Renee Klahr and Brittany Mayes/NPR
A member of the West Virginia National Guard works in the basement of the state Capitol in Charleston, W.Va., on secondment to the Secretary of State's office to work on cybersecurity around state elections.
Dave Mistich/West Virginia Public Broadcasting
Power lines hang from a pole in a Brooklyn neighborhood on March 15 in New York City. As U.S. officials step up sanctions on Russian intelligence for its interference in the 2016 elections, members of the Trump administration have accused Russia of a cyber-assault on the domestic energy grid and other key parts of America's infrastructure.
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Sean Zadig runs the threat investigations team at Oath, formerly known as Yahoo. He talked about his team's work at the Center for Long-Term Cybersecurity at the University of California, Berkeley in September.