Pierce County, WA libraries notify 336K people of data breach

Pierce County, WA libraries notify 336K people of data breach

The Pierce County Library System experienced a significant data breach in April 2025, affecting over 336,000 individuals. The ransomware gang Inc took credit, claiming to have stolen nearly 2 TB of data and disrupting library services for weeks. #IncRansomware #PierceCountyLibraries

Keypoints

  • The breach compromised personal information including names and birth dates of library users.
  • Inc ransomware claimed responsibility and provided evidence of stolen data, including licenses and passports.
  • The attack disrupted essential library services such as catalog access, printing, and computer use.
  • Pierce County Libraries offered victims one year of free credit monitoring following the breach.
  • Inc ransomware has targeted various sectors in 2025, including government, healthcare, and educational institutions.

Read More: https://www.comparitech.com/news/pierce-county-wa-libraries-notify-336k-people-of-data-breach/