MalwareGovernmentGovernmentRansomwareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Union County, Pennsylvania

bd_4375732219239caa · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 13, 2025

Filed

Jul 7, 2025

To disclose

17 weeks

Affected

1state residents only

Linked

5 filings

Confidence

66%

Full breach record for Union County, Pennsylvania →

Union County, Pennsylvania experienced a ransomware incident on March 13, 2025, where cyber criminals accessed the network and exfiltrated data. The County detected the ransomware on the same day. On May 29, 2025, it was determined that one New Hampshire resident's name and Social Security number were impacted. The County engaged third-party forensic consultants, alerted federal law enforcement, and secured its network. Remediation steps included deploying security tools, monitoring with endpoint detection, resetting passwords, and strengthening external access restrictions. Credit monitoring services were offered to the affected individual.

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Incident timeline

discovery → filing · 17 weeks / 116 days

Mar 13, 2025

Begins

Mar 13, 2025

Discovered

Jul 7, 2025

Filed

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

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Maine State AGbd_71e9b5c5c42e588f2025-07-16 · +9dVerified
Nebraska State AGbd_ec5907c36b1574362025-07-16 · +9dVerified
Maine State AGbd_129fe192eb172c192025-06-27 · +10dCandidate
New Hampshire State AGbd_cbf114d46ca6086f2025-07-21 · +14dVerified

Name: Union County, Pennsylvania
norm: union county pennsylvania

Name: Union County, Pennsylvania
norm: union county pennsylvania
Industry: Governmentllm

Discovered: Mar 13, 2025
Breach occurred: Mar 13, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 27, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Attorney General John Formella, Office of the Attorney General, Consumer Protection and Antitrust Bureau, New HampshireAlerted federal law enforcementNotified the Union County District Attorney

During the incident: Launched an investigation with assistance from nationally recognized third-party cybersecurity and data forensics consultants
Secured its network
Alerted federal law enforcement
Notified the Union County District Attorney
Deployed security tools to enhance detection and accelerate response to cyber incidents
Actively monitoring its network using end point detection tools to help ensure containment
Conducted an enterprise-wide password reset
Strengthened restrictions for external network access
Changes made: Deployed security tools to enhance detection and accelerate response to cyber incidents
Actively monitoring its network using end point detection tools to help ensure containment
Conducted an enterprise-wide password reset
Strengthened restrictions for external network access
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(116 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 · 3 states

View merged incident ↗

Maine State AGJun 27 · first

New Hampshire State AG+10d · this page

Maine State AG+19d

Nebraska State AG+19d

New Hampshire State AG+24d

Pattern: first filing Jun 27 (ME), last Jul 21 (NH) — a 24-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://mm.nh.gov/files/uploads/doj/remote-docs/union-county-pennsylvania-20250707.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 7, 2025
Raw hash: 029ef9e525df92e9073562a8a317aa3b68e72b63f699b8ee3da11968041e4472

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityUnion County, Pennsylvania

Victim entityUnion County, Pennsylvania

Incidentdiscovered Mar 13, 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 provenancemm.nh.gov