<p>Carnival Corp said on Monday it launched an investigation after the cruise operator detected a ransomware attack that accessed and encrypted a portion of information technology systems of one of its brands.</p>.<p>Carnival, which operates AIDA, Carnival and Princess cruises among others, in a filing said </p>
<p>Carnival Corp said on Monday it launched an investigation after the cruise operator detected a ransomware attack that accessed and encrypted a portion of information technology systems of one of its brands.</p>.<p>Carnival, which operates AIDA, Carnival and Princess cruises among others, in a filing said </p>