PhysicalLossCustomer Data InvolvedPIIMediumContained
Pierce County Library System
bd_4c55a611ecf77473 · schema v1 · pii pii-v1
Full breach record for Pierce County Library System →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, 2025 → Filed 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.
N1 · Nationwide count promoted
Affected · nationwide
3
ME slice (headline)
5,000· 166666.7% of total
Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3 affectedView incident
A leak claim by inc_ransom about this victim predates this filing by 402 days.View originating leak claim
Source provenance
- Source URL
- https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/069ada77-ccd7-4d97-a0be-dc75fcf061da.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- May 25, 2026
- Raw hash
- 358dfd3e06f1d799baa10a8b2859fd6b851b7e7d2e24f01f9653dd0e2e4f5118
Reporting entity
- Name
- Pierce County Library Systemnorm: pierce county library system
- Domain
- piercecountylibrary.org
Victim entity
- Name
- Pierce County Library Systemnorm: pierce county library system
- Domain
- piercecountylibrary.org
Incident
- Discovered
- May 24, 2025
- Materiality determined
- —
- Notification sent
- May 25, 2026
- Affected individuals
- 5,000
- Data types
- PII
- Attack vector
- Unknown
- MITRE ATT&CK
- T1052 Exfiltration Over Physical Medium
- Regulator citations
- Filed data breach notice with Maine Attorney General
Compliance
- Time to disclose
- 12 months(366 days from discovery to filing)
- Compliance flags
- ME AG >90d · 366dME resident >180d · 366dLeak >180d
- Discovery-date grounding
- 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.
- Clock breakdown
Statute Window Elapsed Threshold Status Maine Discovered: May 24, 2025→ Filed with AG: May 25, 2026366d 90 days ME AG >90d Maine Discovered: May 24, 2025→ Notified: May 25, 2026366d 180 days ME resident >180d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.