Austin's Ascension Seton Medical Center is among the hospitals affected by a nationwide cybersecurity breach of Ascension technology systems. Julia Reihs/KUT News hide caption
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LAX officials told NPR that FlyLAX.com was partially disrupted early Monday morning. The service interruption did not compromise internal airport systems and there were no operational disruptions, according to authorities. Ashley Landis/AP hide caption
The outage hit the website for the Ukrainian Defense Ministry, shown here during a ceremony last October. Ukrainian Defense Ministry/Anadolu Agency via Getty Images hide caption
Ukraine says government websites and banks were hit with denial of service attack
A sign at the Colonial Pipeline Houston Station facility in Pasadena, Texas, warns against trespassing. Colonial was forced to shut down a key pipeline last month after suffering a ransomware attack. Such attacks are becoming more frequent and increasingly, they are targeting key infrastructure like fuel or food supplies. François Picard/AFP via Getty Images hide caption
U.S. Suffers Over 7 Ransomware Attacks An Hour. It's Now A National Security Risk
The Justice Department has assembled a new task force to confront ransomware after what officials say was the most costly year on record for the crippling cyberattacks. It managed to recover $2.3 million of the ransom paid by Colonial Pipeline in an attack earlier this year, the department announced Monday. Andrew Harnik/AP hide caption
Avril Haines, director of national intelligence, testifies Wednesday about worldwide threats during a Senate Intelligence Committee hearing. Graeme Jennings/Pool/AP hide caption
U.S. federal agencies sent an alert Wednesday night that there is "credible information of an increased and imminent cybercrime threat" to hospitals and healthcare providers. Nicolas Asfouri/AFP via Getty Images hide caption
Experts say Iran may retaliate for the killing of Qassem Soleimani, its top military leader, with cyberattacks on American companies. Chris McGrath/Getty Images hide caption
Microsoft said it has seen "significant cyber activity" by a hacker group with suspected ties to Iran. Drew Angerer/Getty Images hide caption
The two men face federal charges of infecting Atlanta's computers with their SamSam ransomware. The suspects have previously been charged in a similar scheme in New Jersey. Jose Luis Magana/AP hide caption
Ransomware attacks against cities, schools and hospitals have been on the rise, officials say. NJPhotos/Getty Images/iStockphoto hide caption
As Atlanta Seeks To Restore Services, Ransomware Attacks Are On The Rise
As of Monday, Atlanta Mayor Keisha Lance Bottoms had said the city hadn't decided whether it will pay the cyberattackers. David Goldman/AP hide caption
Mayor Keisha Lance Bottoms speaks at a press conference in Atlanta in January. David Goldman/AP hide caption
President Trump speaks while flanked by Kansas Secretary of State, Kris Kobach (left) and Vice President Pence during the first meeting of the Presidential Advisory Commission on Election Integrity in Washington, D.C., on Wednesday. Mark Wilson/Getty Images hide caption
A small nonprofit in East Central Indiana was hacked in January and, months later, is still recovering. Annie Ropeik/Indiana Public Broadcasting hide caption
After the WannaCry cyberattack hit computer systems worldwide, Microsoft says governments should report software vulnerabilities instead of collecting them. Here, a ransom window announces the encryption of data on a transit display in eastern Germany on Friday. AFP/AFP/Getty Images hide caption
Russian President Vladimir Putin delivers his annual speech to the Federal Assembly at Grand Kremlin Palace in Moscow in early December. Mikhail Svetlov/Getty Images hide caption