All 18 branches of the Chester County Library System experienced a systemwide outage that disrupted public internet, phones and staff email beginning Sept. 16, 2025. The disruption affected locations across
The Pierce County Library System (PCLS) in Tacoma, Washington, confirmed it was the target of a ransomware attack that led to a multiweek network shutdown beginning April 21, 2025. Staff
Fort Bend County Libraries, based in Richmond, Texas, experienced a cybersecurity incident in late February that disrupted network services across its system. On February 24, 2025, library staff detected the
On January 7, 2025, the Laramie County Library System in Cheyenne, Wyoming, fell victim to a ransomware attack. The incident disabled library servers and most digital services. However, the library’
Delaware's 35 public libraries suffered a major cyberattack on Friday, September 20, 2024, when hackers from the ransomware group RansomHub seized control of the virtual servers that manage
