HackingMedium
Chester County Library System, PA
bd_19412a253040ab1e · schema v1 · pii pii-v1
Full breach record for Chester County Library System, PA →Chester County Library System experienced a data breach due to an external system breach (hacking) affecting 1281 individuals, including 1 Maine resident.
Maine clockDiscovered Oct 17, 2025 → Filed with AG Oct 28, 202511d ✓ ME AG ≤30d11 days discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1,281 affectedView incident
Source provenance
- Source URL
- https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/76ae805b-8696-4386-a3ed-49ff49d5bbce.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Oct 28, 2025
- Raw hash
- cc73aa245bc85d5a2fa185ba3aab0a2b612aa4b8f56f283ade5d30ab2afa4fa6
Reporting entity
- Name
- Chester County Library System, PAnorm: chester county library system
- Domain
- ccls.org
Victim entity
- Name
- Chester County Library System, PAnorm: chester county library system
- Domain
- ccls.org
Incident
- Discovered
- Oct 17, 2025
- Materiality determined
- —
- Notification sent
- Oct 28, 2025
- Affected individuals
- 1,281
- Data types
- —
- Attack vector
- Unauthorized Access
Compliance
- Time to disclose
- 11 days(11 days from discovery to filing)
- Compliance flags
- ME AG ≤30d · 11d
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
- Clock breakdown
Statute Window Elapsed Threshold Status Maine Discovered: Oct 17, 2025→ Filed with AG: Oct 28, 202511d 30 days ME AG ≤30d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.