MalwareGovernmentGovernmentRansomwareData ExfiltratedRansom DemandedPIIIdentity (basic)LowContained

Lycoming County, Pennsylvania (the “County”)

bd_fce8d965201c9d32 · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 12, 2025

Filed

Dec 9, 2025

To disclose

17 weeks

Affected

1state residents only

Linked

5 filings

Confidence

64%

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

Lycoming County, PA, notified individuals of a ransomware attack detected on August 12, 2025. Attackers accessed the network between August 11-12, 2025, exfiltrating personal data. The County engaged forensic consultants, alerted federal law enforcement, and is offering credit monitoring. No data has been released publicly.

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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

Maine State AGbd_9b5c664dcad0d32e2025-12-09Candidate
Indiana State AGbd_a964e4b13cfb5ca92025-12-09Verified
New Hampshire State AGbd_0455aacfc4adecf82025-12-15 · +6dVerified
Massachusetts State AGbd_c8f48228e17334cd2025-12-16 · +7dVerified

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

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: 1state-resident count only
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
Cooperate with any law enforcement investigation
Monitoring internet sources
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: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Maine State AGDec 9 · first

Indiana State AGDec 9 · first

Montana State AGDec 9 · first · this page

New Hampshire State AG+6d

Massachusetts State AG+7d

Pattern: first filing Dec 9 (ME), 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://dojmt.gov/wp-content/uploads/2026/01/Consumer-notification-letter-31.pdf
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: 2937d5010ed3a0fee917e47336b009320d552310097b451eaf4dfc6d3d99fd1a

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityLycoming County, Pennsylvania (the “County”)

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov