The akira ransomware group listed Priester Aviation on its data leak site on 2025-09-30. Country: US Sector: Transportation Domains named: priesterav.com Claim as published on the leak site: Priester Aviation is a leading provider of aircraft management an d private jet charter services, based in Chicago, IL, and operati ng with nearly 200 years of combined experience in the industry. We are going to upload 124gb of corporate data. HUUUUUGE amount o f employees (and their relatives) personal documents (passports, DLs and other docs with complete person information, medical test and other medical docs), crew personal documents, financials inf ormation, a bit of customer information, aircraft maintenance inf ormation, confidential contracts and agreements, numerous NDAs, e tc.