As many of us are Marriott customers, I found the following disturbing.  /Gary KI4LA/

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Marriott customer data for 200,000 missing

December 28, 2005

ORLANDO, Fla. --The timeshare unit of Marriott International Inc. is
notifying more than 200,000 people that their personal data are
missing after backup computer tapes went missing from a Florida
office.

The data relates to 206,000 employees, timeshare owners and timeshare
customers of Marriott Vacation Club International, the company said
in a statement Tuesday. The computer tapes were stored in Orlando,
where the unit is based.

The company did not say when the tapes disappeared. They contained
Social Security numbers, bank and credit card numbers, according to
letters the company began sending customers on Saturday.

... (article continues) ...

http://www.boston.com/business/articles/2005/12/28/marriott_customer_data_for_200000_missing/