Kent District Library (KDL) in the US experienced a ransomware claim by threat actor interlock, alleging the theft and exposure of confidential financial documents, contacts, personal data, and building plans. The incident also accuses KDL of concealment of related incidents and poor security management that has damaged its reputation. #UnitedStates
Incident Details
- Victim: Kent District Library
- Sector: Public Sector
- Country: US
- Actor: interlock
- Source: http://k6aw4if6phmqcdp5wzfdjfb3plmybzpkcssmgvv5nltv23tndvh4ewid.onion/index.php?p=
- Discovered: 2026-05-11T13:54:56.196731+00:00
- Published: 2026-05-11T13:54:42.236637+00:00
Information
- It is a public library system operating throughout Michigan.
- It does not manage its own security, which is damaging its reputation.
- Confidential financial documents have been obtained.
- Contact information for organizations has been obtained.
- Personal data on customers and employees has been obtained.
- Building plans and blueprints have been obtained.
- Information about various concealed incidents has been obtained.

Disclaimer: This post is based on public claims made by the ransomware group "interlock". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.