Marriott just announced this past week that they learned about a security breach from four years ago. On top of that, 500 million users are affected. For 327 million guests, the exposed information include names, phone numbers, email addresses, passport numbers, and arrival and departure information. For millions of others guests, credit card numbers and expiration dates were compromised. Marriott says that it will begin emailing guests that were affected by the breach.
If you go to answers.kroll.com, you can read their story and what they’re doing. They are also going to give users free monitoring for a year.