MalwareGovernmentGovernmentRansomwareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Union County, Pennsylvania

bd_cbf114d46ca6086f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 13, 2025

Filed

Jul 21, 2025

To disclose

19 weeks

Affected

6state residents only

Linked

4 filings

Confidence

66%

Full breach record for Union County, Pennsylvania →

Union County, Pennsylvania experienced a ransomware attack on March 13, 2025, resulting in the unauthorized access and exfiltration of data. This supplemental notice reports that the personal information of six New Hampshire residents (names and Social Security numbers) was impacted. The County engaged third-party forensic consultants, secured its network, and is offering one year of complimentary credit monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 19 weeks / 130 days

Mar 13, 2025

Begins

Mar 13, 2025

Discovered

Jul 21, 2025

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_71e9b5c5c42e588f2025-07-16 · +5dVerified
New Hampshire State AGbd_4375732219239caa2025-07-07 · +14dVerified
Maine State AGbd_129fe192eb172c192025-06-27 · +24dCandidate

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: Jul 16, 2025
Affected individuals: 6state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Providing notice of this incident to all appropriate regulatorsNotified the Union County District Attorney

During the incident: Launched an investigation with assistance from nationally recognized third-party cybersecurity and data forensics consultants
Secured our network
Alerted federal law enforcement
Notified the Union County District Attorney
Conducted an enterprise-wide password reset
Deployed security tools to enhance detection and accelerate response to cyber incidents
Actively monitoring our network using end point detection tools
Strengthened restrictions for external network access
Providing notice of this incident to all appropriate regulators
Providing written notice to the impacted individuals via U.S. Mail
Offering a one-year, complimentary membership with Experian for credit monitoring and identity theft services
Changes made: Deployed security tools to enhance detection and accelerate response to cyber incidents
Actively monitoring our 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: 19 weeks(130 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 2 states

View merged incident ↗

Maine State AGJun 27 · first

New Hampshire State AG+10d

Maine State AG+19d

New Hampshire State AG+24d · this page

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-20250721.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 21, 2025
Raw hash: d163f3cc9e386e4438a8a72b563fffae80640bbcfb75e673b9cbfc5822f067d2

Linked disclosures

Regulatory filings (3) · 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