MalwareFinancial accountHealth (basic)Government IDPCIPHIPIIMediumContained

Mitchell County, North Carolina

bd_a01675453cd9ac75 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 20, 2025

Filed

May 5, 2026

To disclose

28 weeks

Affected

15state residents only

Linked

2 filings

Confidence

64%

Full breach record for Mitchell County, North Carolina →

Mitchell County, North Carolina, notified Massachusetts regulators of a ransomware attack detected on October 20, 2025. Unauthorized access occurred between October 16 and 20, 2025, resulting in the exfiltration of personal information and protected health information (PHI). The County engaged federal law enforcement, third-party forensic consultants, and the NC Joint Cybersecurity Task Force. Notices were sent to affected individuals starting April 1, 2026, offering complimentary identity monitoring services.

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Massachusetts clock✗ MA AG >90d28 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 · 4 days

discovery → filing · 28 weeks / 197 days

Oct 16, 2025

Begins

Oct 20, 2025

Discovered

May 5, 2026

Filed

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Nebraska State AGbd_ba53828946d9fde62026-05-01 · +4dVerified

Name: Mitchell County, North Carolina
norm: mitchell county
Domain: mitchell-county.com

Name: Mitchell County, North Carolina
norm: mitchell county north carolina
Domain: mitchellcountyne.gov

Discovered: Oct 20, 2025
Breach occurred: Oct 16, 2025 – Oct 20, 2025
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 1, 2026
Affected individuals: 15state-resident count only
Data types: Financial accountHealth (basic)Government IDPCIPHIPII
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: notified the United States Department of Health and Human Serviceswill be providing notice to all appropriate state regulators

During the incident: Reported this incident to federal law enforcement
Worked with nationally recognized third-party cybersecurity and data forensics consultants
Worked with the North Carolina Joint Cybersecurity Task Force and other state resources
Securely restore our network
Conducted a thorough review of the impacted data
Changes made: Upgrading County email platform
Deployed software to enhance detection and accelerate response to cyber incidents
Updated password policies and strengthening restrictions for access to County systems
Continuing to take steps to further bolster our cyber defenses
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(197 days from discovery to filing)
Compliance flags: MA AG >90d
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Nebraska State AGMay 1 · first

Massachusetts State AG+4d · this page

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.mass.gov/doc/2026-701-mitchell-county/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 5, 2026
Raw hash: 105e9d07c2946b09fb7e8ddf625ff172dfa93d64e537329848d0ee4fbe48f394

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMitchell County, North Carolina

Victim entityMitchell County, North Carolina

Incidentdiscovered Oct 20, 2025

Stated responseReported this incident to federal law enforcement

ComplianceMA AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov