Its disclosure came after RansomHub claimed responsibility for the cyberattack and threatened to release client data on the dark web. By Zachary Small The auction house Christie’s said Thursday that ...

Suspected Chinese government-backed hackers have breached computer systems of U.S. law firm Williams & Connolly, which has represented some of America’s most powerful politicians, as part of a larger ...

Oracle Corp. has told customers that a hacker broke into a computer system and stole old client log-in credentials, according to two people familiar with the matter. It’s the second cybersecurity ...