DisclosureLens
UnknownHigh

Pierce County Library System

bd_e342cc3aa5512dd5 · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Dec 9, 2025

To disclose

Affected · nationwide

340,10110 in this filing

Linked

6 filings

Confidence

95%
Full breach record for Pierce County Library System3 incidents on file

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.

Leak gap clock Leak >180d
no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

Apr 15, 2025

Begins

Dec 9, 2025

Filed

This filing is one of 6 about the same incident.View merged incident
A leak claim by inc_ransom about this victim predates this filing by 235 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Vermont State AGDec 9 · first
Maine State AGDec 9 · first
Indiana State AGDec 9 · first · this page

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.