AccidentalHealthcareTechnologyHealthcareMisdeliverySupply Chain (3P Vendor)Customer Data InvolvedGovernment IDPIIMediumContained

Trusaic

bd_26a30abe830754bc · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 18, 2025

Filed

Apr 2, 2025

To disclose

6 weeks

Affected

Not disclosed

Confidence

66%

Full breach record for Trusaic →

Trusaic, a vendor for Gilead Sciences, notified Vermont AG that its mailing vendor, Billing Document Specialists, inadvertently mailed 1095-C tax forms with visible SSNs on shipping labels on Feb 7, 2025. Discovered Feb 18, 2025. No database intrusion occurred. Trusaic provided 24 months of Equifax credit monitoring and implemented enhanced technical controls.

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Vermont clock⏱ VT AG >14 bday6 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 · 11 days

discovery → filing · 6 weeks / 43 days

Feb 7, 2025

Begins

Feb 18, 2025

Discovered

Apr 2, 2025

Filed

vs. sector median

5 wks faster

Part of Billing Document Specialists supply-chain incident (2025) — a supply-chain cascade affecting multiple organizations.View cascade →

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

Name: Trusaic
norm: trusaic

Name: Trusaic
norm: trusaic
Industry: HealthcarellmTechnologyllm

Discovered: Feb 18, 2025
Breach occurred: Feb 7, 2025
Undetected for: 11 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 2, 2025
Affected individuals: Not disclosed
Data types: Government IDPII
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Threat actor: Partner
Regulator citations: Filed notice with the Office of the Vermont Attorney General

During the incident: Performed a comprehensive technical and operational review
Implemented enhanced precautionary technical controls in coordination with BDS
Provided complimentary 24-month membership in Equifax Credit Watch Gold
Set up a dedicated and confidential toll-free response line
Changes made: Implemented enhanced precautionary technical controls in coordination with BDS to prevent an incident like this from happening in the future
Continually evaluate and modify practices with respect to third-party vendors as well as internal controls to enhance the security and privacy of personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(43 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.

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/2025-04-02-gilead-sciences-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 2, 2025
Raw hash: a2c5dce70f342102fc89a4905c8e923adf7a1356b7cddda69d1ff3bad4e21147

Reporting entityTrusaic

Victim entityTrusaic

Incidentdiscovered Feb 18, 2025

Stated responsePerformed a comprehensive technical and operational review

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov