HackingHealthcareHealthcareData ExfiltratedIdentity (basic)Health (basic)PHILowActive

The Brien Center for Mental Health and Substance Abuse Services

bd_06ad8d28367fc027 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 21, 2025

Filed

Jul 18, 2025

To disclose

8 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

66%

Full breach record for The Brien Center for Mental Health and Substance Abuse Services →2 incidents on file

The Brien Center for Mental Health and Substance Abuse Services, Inc. disclosed unauthorized access to its network between May 19-21, 2025. The incident may have exposed names, dates of birth, addresses, phone numbers, email addresses, client IDs, visit dates/times, and clinical diagnostic information. The investigation is ongoing. The organization engaged third-party cybersecurity specialists and is offering credit monitoring and identity restoration services to affected individuals.

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Vermont clock⏱ VT AG >14 bday8 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 · 2 days

discovery → filing · 8 weeks / 58 days

May 19, 2025

Begins

May 21, 2025

Discovered

Jul 18, 2025

Filed

vs. sector median

3 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_ae763c930cd90ff12025-07-18Verified

Name: The Brien Center for Mental Health and Substance Abuse Services
norm: the brien center for mental health and substance abuse

Name: The Brien Center for Mental Health and Substance Abuse Services
norm: the brien center for mental health and substance abuse
Industry: Healthcarellm

Discovered: May 21, 2025
Breach occurred: May 19, 2025 – May 21, 2025
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 18, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Health (basic)PHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Launched an investigation, with the assistance of third-party cybersecurity specialists
Offering credit monitoring and identity restoration services through Epiq - Privacy Solutions ID - 1B Credit Monitoring for <<CM Duration>> months, at no cost to you
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 days from discovery to filing)
Compliance flags: VT AG >14 bday
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 ↗

HHS OCRJul 18 · first

Vermont State AGJul 18 · 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://ago.vermont.gov/document/2025-07-18-brien-center-mental-health-and-substance-abuse-services-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 18, 2025
Raw hash: 4b353deec58745203113edda602d71b74cc6f5071f719c54797e7aad36990392

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityThe Brien Center for Mental Health and Substance Abuse Services

Victim entityThe Brien Center for Mental Health and Substance Abuse Services

Incidentdiscovered May 21, 2025

Stated responseLaunched an investigation, with the assistance of third-party cybersecurity specialists

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov