Marriott Sued in U.K. Over ‘Vast and Long-Lasting’ Breach (1)

Marriott International Inc. faces a U.K. lawsuit brought on behalf of several million people after the “vast and long-lasting” hacking of the hotel group’s reservation database.

The suit was filed by law firm Hausfeld & Co. under England’s class-action rules, meaning anyone affected is automatically included in the case. Marriott failed to protect guests’ personal data during the cyber attack on the Starwood reservation database between 2014 and 2018, the firm said in an emailed statement Tuesday.

The U.K.’s privacy watchdog said as many as 7 million customer records were exposed during the hacking, which was one of the largest ...