Auction house Christie’s alerts the FBI and UK police about the hack that hobbled its website earlier this month, and begins telling clients of compromised data (Zachary Small/New York Times)

Zachary Small / New York Times:
Auction house Christie's alerts the FBI and UK police about the hack that hobbled its website earlier this month, and begins telling clients of compromised data  —  Its disclosure came after RansomHub claimed responsibility for the cyberattack and threatened to release client data on the dark web.