MalwareGovernmentGovernmentRansomwareCapture Stored DataData ExfiltratedData EncryptedTargetedIdentity (basic)PHIHealth (basic)LowContained

Houston-Galveston Area Council

bd_2aca62ea018fac8d · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 29, 2021

Filed

Apr 26, 2022

To disclose

17 weeks

Affected

3state residents only

Confidence

66%

Full breach record for Houston-Galveston Area Council →

Houston-Galveston Area Council notified Montana residents of a December 2021 ransomware incident where an unauthorized individual accessed the network, deployed ransomware, and exfiltrated files containing names, addresses, and PHI (medical history, insurance claims). Investigation concluded in March 2022. No evidence of misuse found.

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Incident timeline

discovery → filing · 17 weeks / 118 days

Dec 29, 2021

Discovered

Apr 26, 2022

Filed

vs. sector median

+6 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3 affectedView incident

Name: Houston-Galveston Area Council
norm: houston galveston area council

Name: Houston-Galveston Area Council
norm: houston galveston area council
Industry: Governmentllm

Discovered: Dec 29, 2021
Materiality determined: —
Notification sent: Apr 26, 2022
Affected individuals: 3state-resident count only
Data types: Identity (basic)PHIHealth (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Launched an investigation with the assistance of cybersecurity and forensic specialists
Took steps to ensure the security of our network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(118 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-322.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 26, 2022
Raw hash: 463e18218e65d71a1530124e33898a96c7934180aa03a2f26ac42b3caf9f06d2

Reporting entityHouston-Galveston Area Council

Victim entityHouston-Galveston Area Council

Incidentdiscovered Dec 29, 2021

Stated responseLaunched an investigation with the assistance of cybersecurity and forensic specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov