The qilin ransomware group listed Landmark Management on its data leak site on 2025-10-14. Country: US Sector: Professional Services Domains named: www.landmarkmgtinc.com Claim as published on the leak site: Landmark Management, Inc., manages 90 projects, consisting of 2,462 units across 5 states. Whether you are searching for an apartment to rent or a reliable company to manage your rural development property, let us put our thirty-six years of ...