The credit card is by Chase.
The hotel is by Marriott.
The people that provide hotel rooms and food are not experts in fraud and credit.
The two businesses don't have all that much to do with each other - and I think I like it that way.
I always call if I'm travelling overseas - as it isn't typical for me, and I've had to answer questions from fraud prevention in the past.
The black signature Marriott Rewards Visa is a sweet deal - I wouldn't have cancelled it.