HackingGovernmentGovernmentTargetedIdentity (basic)Government IDMinorMediumContained

City of McKinney, Texas

bd_b25eaab826de7792 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 14, 2024

Filed

Feb 4, 2025

To disclose

12 weeks

Affected

4state residents only

Linked

9 filings

Confidence

66%

Full breach record for City of McKinney, Texas →

City of McKinney, Texas notified Maryland AG of unauthorized network access by an unknown third party starting Oct 31, 2024. Discovered Nov 14, 2024. Impacted 4 Maryland residents with names, SSNs, driver's licenses, and DOBs. City engaged forensic consultants, notified law enforcement (FBI, DHS), and provided 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maryland clock⏱ MD AG >30d12 weeks discovery → filing

Incident timeline

undetected · 14 days

discovery → filing · 12 weeks / 82 days

Oct 31, 2024

Begins

Nov 14, 2024

Discovered

Feb 4, 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 · +6dVerified by operator

Regulatory filings (7) · sorted by filing gap

Maine State AGbd_00ba8848cdc6de8a2025-02-04Verified
Indiana State AGbd_626662782dbb32462025-02-04Verified
Montana State AGbd_67c269644968b5222025-02-04Verified
Vermont State AGbd_9441cd0db25cfd7f2025-02-04Verified

Show 3 more filings ↓up to 3d gap

Massachusetts State AGbd_6ed832ad9bfdaa312025-02-05 · +1dVerified by operator
HHS OCRbd_3a92d791988f4c772025-02-03 · +1dVerified by operator
New Hampshire State AGbd_444cb76131c6fcf52025-02-07 · +3dVerified

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: 4state-resident count only
Data types: Identity (basic)Government IDMinor
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Maryland Office of the Attorney General
Initial access: exploit_public_facing

During the incident: Engaged 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 impacted individuals with guidance on how to better protect against identity theft and fraud
Provided impacted individuals with complimentary credit monitoring services through TransUnion for 12-months
Changes made: Continuously upgrading its already robust security measures to carefully safeguard against similar incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(82 days from discovery to filing)
Compliance flags: MD AG >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

HHS OCRFeb 3 · first

Maryland State AG+1d · this page

Massachusetts State AG+2d

New Hampshire State AG+4d

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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376324.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 4, 2025
Raw hash: 1b72c94f18fa294d78a6ef3496a60613063d192d09e02db3943aec95d5bf6dd2

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 responseEngaged forensic consultants to investigate the root of the incident

ComplianceMD AG >30d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov