Marriott International has today announced that it has suffered a data breach affecting up to 5.2 million people.
The hotel chain says it uses an application to help provide services to its guests. Beginning mid-January this year, the login credentials of two employees at a franchised property were used to access guest information on this app.
When the breach was discovered at the end of February, Marriott International says it disabled those login credentials and began its investigation.
Marriott says it believes the following information “may have been involved” although the entries weren’t there for every guest: