DisclosureLens
PhysicalEducationEducationLossCustomer Data InvolvedPIIMediumContained

Pierce County Library System

bd_4c55a611ecf77473 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 24, 2025

Filed

May 25, 2026

To disclose

12 months

Affected · nationwide

5,0003 in this filing

Confidence

64%
Full breach record for Pierce County Library System3 incidents on file

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.

Maine clockDiscovered May 24, 2025Filed with AG May 25, 2026366d ME AG >90d12 months discovery → filing
AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

Oct 5, 2025

Begins

May 25, 2026

Filed

vs. sector median

+44 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed5,000 affectedView incident
A leak claim by inc_ransom about this victim predates this filing by 402 days.View originating leak claim

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.