HackingHealthcareHealthcareStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedBusiness Associate (HIPAA)PHIHealth (basic)Identity (basic)Government IDMediumContained

G.I. Medicine Associates, P.C.

bd_42be94ca4e3869a1 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jun 26, 2026

Filed

Sep 1, 2026

To disclose

—

Affected

Not disclosed

Confidence

66%

Full breach record for G.I. Medicine Associates, P.C. →2 incidents on file

G.I. Medicine Associates, P.C. notified patients of a data breach involving their vendor, Aesto, LLC. Unauthorized access to Aesto's AWS infrastructure occurred between December 2 and December 18, 2025. GIMA was notified on June 26, 2026. Affected data included PHI, names, addresses, phone numbers, dates of birth, medical record numbers, and Social Security numbers. GIMA is offering credit monitoring.

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Incident timeline

undetected · 206 days

Dec 2, 2025

Begins

Jun 26, 2026

Discovered

Sep 1, 2026

Filed

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

Name: G.I. Medicine Associates, P.C.
norm: gi medicine associates

Name: G.I. Medicine Associates, P.C.
norm: gi medicine associates
Industry: Healthcarellm

Discovered: Jun 26, 2026
Breach occurred: Dec 2, 2025 – Dec 18, 2025
Undetected for: 206 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Third party: via Aesto, LLC
Initial access: supply_chain

During the incident: Engaged leading cybersecurity experts to identify what personal information, if any, was involved
Offering complimentary access to Experian IdentityWorks for [##] months to help protect your identity
Source: Quoted from the filing itself, not independently verified.

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://www.mass.gov/doc/2026-1479-gi-medicine-associates-pc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 1, 2026
Raw hash: 4caae62145bbc97d936228b953df96a989f82cffeaab52000c1978f92406cd39

Reporting entityG.I. Medicine Associates, P.C.

Victim entityG.I. Medicine Associates, P.C.

Incidentdiscovered Jun 26, 2026

Stated responseEngaged leading cybersecurity experts to identify what personal information, if any, was involved

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov