If you look to the right of this board you will see a red square with a white triangle and the words is my cruise protected click on it you then will have your answer.
Many of the travel arrangements provided by ABTA Members are protected in case of the financial failure of the travel company. Ask your ABTA Member if protection applies to your travel arrangements. Where travel arrangements aren't already protected, most ABTA Members will be able to offer suitable insurance to cover you.
Many cruise lines are also covered by the PSA (Passenger Shipping Association. If you want a "belt and braces" cover also pay your cruise bill with a Visa card.