LONDON — Lockbit, a notorious cybercrime gang that holds its victims’ data for ransom, has been disrupted in a rare international law enforcement operation by Britain’s National Crime Agency, the U.S. Federal Bureau of Investigation, Europol and a coalition of international police agencies, according to a post on the gang’s extortion website on Monday. “This site is now under the control of the National Crime Agency of the UK, working in close cooperation with the FBI and the international law enforcement task force, ‘Operation Cronos,’” the post said. An NCA spokesperson confirmed that the agency had disrupted the gang and saidmore