Hotel chain Wyndham Hotels and Resorts says guest and cardholder names, account numbers, and payment card information were potentially exposed in the hack. An attacker used a “centralized network connection” at one WHR franchise to access and download information from several WHR properties. The breach was discovered after the hotel chain noticed “unusual activity” in one of its servers, which was used to siphon data to an “offsite URL” The hotel chain says affected customers represent a cross-section of its global base.”]
Source: https://www.darkreading.com/attacks-breaches/wyndham-hotels-hack-exposes-guest-names-credit-cards