HackingHealthcareHealthcareCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)PHIMediumContained

Heart of Texas Behavioral Health Network

bd_955cc658c3d99264 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 22, 2023

Filed

Dec 12, 2023

To disclose

7 weeks

Affected

7state residents only

Linked

3 filings

Confidence

64%

Full breach record for Heart of Texas Behavioral Health Network →2 incidents on file

Heart of Texas Behavioral Health Network notified Montana residents of a network security incident on October 22, 2023, where an unauthorized party gained access to the network. Personal information including names, SSNs, DOBs, and medical records may have been exposed. The network was secured, and credit monitoring services were offered to affected individuals.

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Incident timeline

discovery → filing · 7 weeks / 51 days

Oct 22, 2023

Begins

Oct 22, 2023

Discovered

Dec 12, 2023

Filed

vs. sector median

5 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

HHS OCRbd_8ce2efd7b7e6bb662023-12-12Verified
Massachusetts State AGbd_f034155e83e9a9df2023-12-12Verified

Name: Heart of Texas Behavioral Health Network
norm: heart of texas behavioral health network

Name: Heart of Texas Behavioral Health Network
norm: heart of texas behavioral health network
Industry: Healthcarellm

Discovered: Oct 22, 2023
Breach occurred: Oct 22, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 7, 2023
Affected individuals: 7state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PHI
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Initial access: exploit_public_facing

During the incident: Shut off all access to the network
Engaged a specialized third-party forensic incident response firm to assist with securing the network environment and investigating the extent of unauthorized activity
Conducting an investigation with the assistance of third-party IT specialists
Confirming the security of our network environment
Reviewing and enhancing our technical safeguards to prevent a similar incident
Providing you with access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing you with proactive fraud assistance
Changes made: Reviewing and enhancing our technical safeguards to prevent a similar incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(51 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

HHS OCRDec 12 · first

Massachusetts State AGDec 12 · first

Montana State AGDec 12 · first · 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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-939.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 12, 2023
Raw hash: dd27b1cac22ea2ff9d8877c5a80e9fa88b097860f72e19f8e02c99793a83373d

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityHeart of Texas Behavioral Health Network

Victim entityHeart of Texas Behavioral Health Network

Incidentdiscovered Oct 22, 2023

Stated responseShut off all access to the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov