HackingHealthcareHealthcareData ExfiltratedBusiness Associate (HIPAA)Customer Data InvolvedDelayed DiscoveryPHIHealth (basic)Identity (basic)LowContained

Carolina Internal Medicine

bd_f7f835c38fe540f1 · schema v1 · pii pii-v2

Severity

Low

Discovered

Dec 18, 2025

Filed

Aug 1, 2026

To disclose

—

Affected

Not disclosed

Confidence

65%

Full breach record for Carolina Internal Medicine →

Aesto, LLC, a healthcare data migration and archiving service provider for Carolina Internal Medicine, experienced a network security incident impacting its AWS infrastructure. An unauthorized actor copied protected health information (PHI) between December 2 and December 18, 2025. Aesto discovered the incident on December 18, 2025, and confirmed the scope of data exfiltration on May 26, 2026. Affected individuals include residents of multiple states. Aesto is offering 24 months of credit monitoring services.

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Incident timeline

undetected · 16 days

Dec 2, 2025

Begins

Dec 18, 2025

Discovered

Aug 1, 2026

Filed

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

Name: AESTO, LLC
norm: aesto

Name: Carolina Internal Medicine
norm: carolina internal medicine
Industry: Healthcarellm

Discovered: Dec 18, 2025
Breach occurred: Dec 2, 2025 – Dec 18, 2025
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 21, 2026
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Third party: via Aesto, LLC

During the incident: Commenced a prompt and thorough investigation
Worked closely with external cybersecurity professionals
Conducted extensive forensic investigation and manual document review
Offering a complimentary 24 months membership of Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Set up a dedicated and confidential toll-free response line
Changes made: Continually evaluate and modify practices and internal controls to enhance the security and privacy of personal information
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/2026-1406-carolina-internal-medicine/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 1, 2026
Raw hash: d1e946348b4cc2d48d730c4d585265fb6dab5792be2a735f3b4989c40d88e6e2

Reporting entityAESTO, LLC

Victim entityCarolina Internal Medicine

Incidentdiscovered Dec 18, 2025

Stated responseCommenced a prompt and thorough investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov