Carnival Cruises into Danger After Ransomware AttackBritish-American cruise operator Carnival has suffered a ransomware attack in which guest and employee data was accessed, it has revealed in a regulatory filing.The Miami-headquartered travel giant — which operates big-name brands including Cunard, P&O, AIDA and Princess — said the attack was discovered on August 15.Attackers managed to encrypt “a portion” of the IT systems one of its brands, although Carnival refuse