The interlock ransomware group listed Waterford Hotel Group on its data leak site on 2026-05-11. Country: IE Sector: Hospitality Domains named: waterfordhotelgroup.com Claim as published on the leak site: Waterford Hotel Groupa company that manages hotels and conference centersfailed to implement adequate security measures, resulting in a data breach. We are providing you with a dataset containing information about the hotel chain and its other divisions, including personal and confidential data, partner contact information, and financial information.