The interlock ransomware group listed Kent District Library on its data leak site on 2026-05-11. Country: US Sector: Government & Defense Domains named: kdl.org Claim as published on the leak site: Kent District Library (KDL) is a public library system that owns and operates libraries throughout Michigan. However, it does not manage its own security, which is damaging its reputation. We are providing you with confidential financial documents, contact information for organizations, personal data on customers and employees, building plans and blueprints, as well as information about various incidents that they are concealing.