Kent District Library
Attack Intelligence
Kent District Library was compromised in a ransomware attack attributed to interlock in May 2026. The organization, operating in the Government sector in United States, was added to the group's data leak site as part of an extortion campaign.
interlock operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.
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.
Intelligence correlations link this incident to 1 vulnerability(ies) including CVE-2026-20131, which may have been leveraged as initial access vectors or for lateral movement.