HackingGovernmentGovernmentCustomer Data InvolvedIdentity (basic)LowContained

City of McKinney, Texas

bd_444cb76131c6fcf5 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 14, 2024

Filed

Feb 7, 2025

To disclose

12 weeks

Affected

1state residents only

Linked

9 filings

Confidence

66%

Full breach record for City of McKinney, Texas →

City of McKinney, Texas experienced unauthorized access to its network environment on October 31, 2024, discovered on November 14, 2024. An unknown third party gained access. The incident potentially exposed identity information (name, etc.) of one New Hampshire resident. The City severed unauthorized activity, engaged forensic consultants, and notified law enforcement (FBI, DHS, Texas DOI). Credit monitoring was provided via TransUnion.

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Incident timeline

undetected · 14 days

discovery → filing · 12 weeks / 85 days

Oct 31, 2024

Begins

Nov 14, 2024

Discovered

Feb 7, 2025

Filed

vs. sector median

+1 wks slower

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinc_ransombd_2fb2e82fb02eb0df2025-02-09 · +3dVerified by operator

Regulatory filings (7) · sorted by filing gap

Massachusetts State AGbd_6ed832ad9bfdaa312025-02-05 · +2dVerified by operator
Maine State AGbd_00ba8848cdc6de8a2025-02-04 · +3dVerified
Indiana State AGbd_626662782dbb32462025-02-04 · +3dVerified
Montana State AGbd_67c269644968b5222025-02-04 · +3dVerified

Show 3 more filings ↓up to 4d gap

Vermont State AGbd_9441cd0db25cfd7f2025-02-04 · +3dVerified
Maryland State AGbd_b25eaab826de77922025-02-04 · +3dVerified
HHS OCRbd_3a92d791988f4c772025-02-03 · +4dVerified by operator

Name: City of McKinney, Texas
norm: city of mckinney texas
Domain: mckinneytexas.org

Name: City of McKinney, Texas
norm: city of mckinney texas
Domain: mckinneytexas.org
Industry: Governmentllm

Discovered: Nov 14, 2024
Breach occurred: Oct 31, 2024
Undetected for: 14 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 4, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney GeneralCoordinated with Federal Bureau of InvestigationCoordinated with Department of Homeland SecurityCoordinated with Texas Department of Information

During the incident: Severed any unauthorized activity
Engaged appropriate forensic consultants to investigate the root of the incident
Notified relevant law enforcement
Secured its systems
Coordinated with the Federal Bureau of Investigation, Department of Homeland Security, and Texas Department of Information
Provided written notice to affected individuals
Provided complimentary credit monitoring services through TransUnion
Changes made: Continuously upgrading already robust security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(85 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

HHS OCRFeb 3 · first

Massachusetts State AG+2d

New Hampshire 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://mm.nh.gov/files/uploads/doj/remote-docs/city-mckinney-texas-20250207.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 7, 2025
Raw hash: 3db37575fae1721e5151d56028bada5a4502681b86447e450ae4968e40c5cfdb

Linked disclosures

Ransomware claims (1)

Regulatory filings (7) · sorted by filing gap

Reporting entityCity of McKinney, Texas

Victim entityCity of McKinney, Texas

Incidentdiscovered Nov 14, 2024

Stated responseSevered any unauthorized activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov