AccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedPHIIdentity (basic)LowContained

Vance Thompson Vision

bd_5deebf4bc04904ef · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 18, 2025

Filed

Aug 26, 2025

To disclose

8 days

Affected

15state residents only

Confidence

66%

Full breach record for Vance Thompson Vision →

Vance Thompson Vision notified Montana patients of a misdelivery incident on or about August 18, 2025. A staff member mistakenly texted a surgery schedule containing PHI (name, DOB, physician name, procedure code) to a personal contact. The recipient confirmed deletion. No SSN or financial data was involved. The organization investigated, secured deletion, and implemented encryption and training.

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Incident timeline

discovery → filing · 8 days

Aug 18, 2025

Begins

Aug 18, 2025

Discovered

Aug 26, 2025

Filed

vs. sector median

8 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed15 affectedView incident

Name: Vance Thompson Vision
norm: vance thompson vision
Domain: vancethompsonvision.com

Name: Vance Thompson Vision
norm: vance thompson vision
Domain: vancethompsonvision.com
Industry: Healthcarellm

Discovered: Aug 18, 2025
Breach occurred: Aug 18, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 15state-resident count only
Data types: PHIIdentity (basic)
Attack vector: Unknown
MITRE ATT&CK: T1535 Unauthorized Access to Cloud Storage Object
Threat actor: Internal
Initial access: insider_action

During the incident: Initiated a thorough investigation to confirm details and mitigate risk
Secured confirmation of deletion from the unintended recipient
Eliminated the process that led to this incident
Implemented corrective actions including: Adoption of secure, encrypted alternatives for transmitting PHI
Immediate refresher training for staff on HIPAA compliance and secure handling of patient data
Strengthened internal workflows to ensure accuracy and safeguard against reoccurrence
Changes made: Adoption of secure, encrypted alternatives for transmitting PHI
Immediate refresher training for staff on HIPAA compliance and secure handling of patient data
Strengthened internal workflows to ensure accuracy and safeguard against reoccurrence
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 days(8 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/2025/09/Consumer-notification-letter-6.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 26, 2025
Raw hash: 922526f44129bbad45607e28a5f0b64b492446f5c82f1e753aefcc441e01812c

Reporting entityVance Thompson Vision

Victim entityVance Thompson Vision

Incidentdiscovered Aug 18, 2025

Stated responseInitiated a thorough investigation to confirm details and mitigate risk

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov