Pierce County Library System
ent_bcfd8b6570804125
Disclosures
7
State AG · Leak Site · 5 jurisdictions
Incidents
1
filings grouped by incident
Max affected reported
340,101
nationwide · State AG IN
Leak-site claims
2
unverified actor claims
Identity resolution
- Canonical name
- Pierce County Library System
- Normalized
- pierce county library system— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- piercecountylibrary.org
Disclosure history (7)newest first
- 🦞Maine State AGas victim2026-05-25
Pierce County Library System reported the loss of a device containing PII on 10/5/2025, discovered 05/24/2025. 5,000 Maine residents affected. Notification via telephone on 05/25/2026.
- 🍁Vermont State AGas victim2025-12-09
Pierce County Library System notified consumers of unauthorized access to its systems between April 15-21, 2025. Personal information, including names and government identifiers, was copied. PCLS offered complimentary credit monitoring and identity protection services through IDX.
- 🦞Maine State AGas victim2025-12-09
Pierce County Library System (PCLS), a public library in Tacoma, WA, experienced an unauthorized access event between April 15–21, 2025, in which files containing personal information (names and Social Security numbers) were copied and taken. The breach was discovered on October 10, 2025 following an investigation into suspicious activity. Six Maine residents were affected. PCLS notified law enforcement and is offering 12 months of IDX credit monitoring to affected individuals.
- 🏎️Indiana State AGas victim2025-12-09
Pierce County Library System reported a data breach to the Indiana Attorney General. The breach occurred on 2025-04-15 and was reported on 2025-12-09. 10 Indiana residents were affected. 340,101 individuals affected in total.
- 🌲Washington State AGas victim2025-06-20
Pierce County Library System, a government sector entity reported a unauthorized access incident to the Washington Attorney General. The organization became aware of the incident on 2025-04-14 and filed notice on 2025-06-20. 336,826 Washington residents were affected. 67 days elapsed between awareness and notification. -1 days to identify the breach. 7 days to contain the breach.
- GLOBALLeak Siteas victim2025-04-21
The Pierce County Library System includes 20 libraries in Pierce county. The libraries offer families and children free access to 1 million books, CDs and films, and numerous programs to help kids read and do their homework
- GLOBALLeak Siteas victim2025-04-18
The Pierce County Library System includes 20 libraries in Pierce county. The libraries offer families and children free access to 1 million books, CDs and films, and numerous programs to help kids read and do their homework