Cruise ship operator Carnival Corp. said this week it recently detected a breach of its systems and as a result, data belonging to customers and employees may have been exposed.

According to multiple news reports, Carnival detected the intrusion in March and alerted regulators. The company hired a cybersecurity firm to assist with the investigation.

Reports say personal information belonging to guests, employees, and crew for Carnival Cruise Line, Holland America Line, Princess Cruises and medical operations was affected. 

"There is evidence indicating a low likelihood of the data being misused," the company said in an emailed statement reported by Reuters.

Customers have been contacted and Carnival has a call center set up for inquiries.

The cruise line was also the victim of a ransomware attack last year.

Details on the breach are available in a report here.