This was published earlier in Frequent Business Traveler (where I serve as ed.dir.). Thought folks here would want to know because it's not been widely publicized from what I can tell.
I've been at two of the affected properties during the period in which the hacking took place so I'm definitely more closely monitoring credit card statements (although I monitor things pretty closely anyway).
Hackers Used Malware to Obtain Mandarin Oriental Guest Credit Card Numbers
Mandarin Oriental Hotel Group announced that a hacker used malware to access computers at ten of its hotels and gained access to an unspecified number names of guests and credit card numbers. The hotelier said it immediately began working with law enforcement agencies, cyber-forensic specialists, and credit card companies to investigate....
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