Sixteen hospitals and more than a hundred other medical facilities across the United States are offline after the largest cyberattack on a U.S. hospital system since last year. Prospect Medical ...

Federal officials are scrambling to assess the damage and address flaws in a sprawling, heavily used computer system long known to have vulnerabilities. By Adam Goldman Glenn Thrush and Mattathias ...

A key law enforcement computer network has been down for 10 weeks, the victim of a ransomware attack that has frustrated efforts by senior officials to get the system back up and running — raising ...