Pierce County Library data breach impacts 340,000

Pierce County Library System (PCLS) is notifying over 340,000 people that their personal information was compromised in a data breach.

Between April 15 and April 21, 2025, threat actors accessed PCLS’s network and stole certain data from its systems, the public library says.

“Upon discovering the issue, PCLS immediately commenced an investigation to confirm the nature and scope, and to identify what information could have been affected,” PCLS says in an incident notice on its website.

Read more at Security Week