If you recently stayed at a Hilton Hotel, Embassy Suites, Doubletree, Hampton Inn and Suites, or Waldorf Astoria – a hack may have exposed your financial details.

Banks have identified a pattern of fraud that strongly suggests certain payment systems in these Hilton Hotel properties in several locations were hacked, exposing customer payment card information. Hilton confirmed that it is investigating the data breach. Reports indicate that the breach extends back from the present to at least November 2014.

Read more about this data breach from security reporter Brian Krebs or from Mick Weinstein on the Billguard blog:

Payment card breach at Hilton Hotel Properties
By Mick Weinstein | October 1, 2015

Sources at numerous U.S. banks indicate that they’ve found a pattern of payment card fraud that strongly suggests a data breach at Hilton Hotel properties. Hilton acknowledged it has begun an internal investigation of the reported breach, which apparently affects the company’s flagship Hilton locations as well as Embassy Suites, Doubletree, Hampton Inn and Suites, and the luxury Waldorf Astoria Hotels & Resorts. It’s not yet known how many hotels were affected.

The breach was first reported by independent security researcher Brian Krebs, whose sources indicate that the breach may go back to November 2014 and may be ongoing. Krebs adds that like other recent breaches at hotel properties – such as Mandarin Oriental and White Lodging – the breach does not appear to be related to the guest reservation systems.

Continue reading at Billguard blog: