WASHINGTON — Hundreds of United Airlines flights were disrupted on Wednesday evening as the carrier grappled with a major computer system outage. "The underlying technology issue has been resolved, ...

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 ...