MalwareGovernmentGovernmentRansomwareData ExfiltratedData EncryptedRansom DemandedTargetedPIIIdentity (basic)MediumContained

Lycoming County, Pennsylvania (the “County”)

bd_9b5c664dcad0d32e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 12, 2025

Filed

Dec 9, 2025

To disclose

17 weeks

Affected · nationwide

1,8761 in this filing

Linked

5 filings

Confidence

65%

Full breach record for Lycoming County, Pennsylvania (the “County”) →

Lycoming County (PA) experienced a ransomware attack between August 11-12, 2025, resulting in data exfiltration. The incident was detected on August 12, 2025. Approximately 1,876 individuals were affected, including 1 Maine resident. Notification letters were sent on December 9, 2025, offering 12 months of credit monitoring via Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Aug 12, 2025 → Filed with AG Dec 9, 2025119d ✗ ME AG >90d17 weeks 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.

Incident timeline

undetected · 1 days

discovery → filing · 17 weeks / 119 days

Aug 11, 2025

Begins

Aug 12, 2025

Discovered

Dec 9, 2025

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_a964e4b13cfb5ca92025-12-09Verified
Montana State AGbd_fce8d965201c9d322025-12-09Verified
New Hampshire State AGbd_0455aacfc4adecf82025-12-15 · +6dVerified
Massachusetts State AGbd_c8f48228e17334cd2025-12-16 · +7dVerified

Name: Eckert Seamans
norm: eckert seamans

Name: Lycoming County, Pennsylvania (the “County”)
norm: lycoming county pennsylvania the county
Industry: Governmentllm

Discovered: Aug 12, 2025
Breach occurred: Aug 11, 2025 – Aug 12, 2025
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Dec 9, 2025
Affected individuals: 1,876state + nationwide
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified the Lycoming County District AttorneyNotifying all appropriate state regulators

During the incident: Launched an investigation with assistance from nationally recognized third-party cybersecurity and data forensics consultants
Alerted federal law enforcement
Posted notice of this incident on the County website
Notified major statewide media
Notified the Lycoming County District Attorney
Changes made: Enhanced capabilities of existing security tools to strengthen detection and accelerate response to cyber incidents
Endpoint detection and response tools are running on endpoints
Conducting enterprise-wide password reset
Strengthening restrictions for external network access
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(119 days from discovery to filing)
Compliance flags: ME AG >90d · 119d
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: Aug 12, 2025
→ Filed with AG: Dec 9, 2025
119d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 12, 2025 → Filed with AG: Dec 9, 2025	119d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGDec 9 · first

Montana State AGDec 9 · first

Maine State AGDec 9 · first · this page

New Hampshire State AG+6d

Massachusetts State AG+7d

Pattern: first filing Dec 9 (IN), last Dec 16 (MA) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.

Source URL: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/627dba68-8de3-4652-a10e-e4da914839e6.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 9, 2025
Raw hash: 4a07479d3a57fc8b93dcdae80cf0c5a1ca154e86057ac578ac29cd6c506f6c35

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityEckert Seamans

Victim entityLycoming County, Pennsylvania (the “County”)

Incidentdiscovered Aug 12, 2025

Stated responseLaunched an investigation with assistance from nationally recognized third-party cybersecurity and data forensics consultants

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov