cybersecurity

U.S. hospitals have seen a record number of cyberattacks over the past few years. Getting hacked can cost a hospital millions of dollars and expose patient data, and even jeopardize patient care.

Oklahoma Gov. Kevin Stitt has joined a number of his Republican colleagues in banning the social media app TikTok on state devices and networks.

Maryland is banning the use of TikTok and certain China and Russia-based platforms in its executive branch. It's the latest state to address cybersecurity risks presented by the platforms.

Killnet urged hackers to take down dozens of airport websites across the country early Monday morning. Within hours several sites were down. But officials say the outages did not interrupt operations.

The ransomware attack on the country's second-largest school district sounded alarms across the country, from urgent talks with the White House and the National Security Council.

It's a shocking turnaround for a small Illinois college that welcomes first-generation students and qualifies as a predominantly Black institution.

Estonia is host to one of the world's largest annual interactive cybersecurity drills. Russia is always considered the main threat, but this year, the war in Ukraine has only added to the stakes.

President Biden said "evolving intelligence" showed Russia is "exploring options for potential cyberattacks." The U.S. has previously warned about Russia's capability to attack U.S. infrastructure.

The suspected attack forced Toyota, one of the world's largest auto manufacturers, to suspend operations at 14 of its Japanese plants, affecting the production of about 13,000 vehicles.

Further sanctions, energy market disruptions and cyberwarfare could reach Americans seemingly far removed from the conflict.