HackingHealthcareTechnologyHealthcareData ExfiltratedCustomer Data InvolvedBusiness Associate (HIPAA)Delayed DiscoveryPHIIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Midtown Community Health Center, Inc.

bd_1e1311a19a8d836a · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jun 26, 2026

Filed

Aug 10, 2026

To disclose

6 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for Midtown Community Health Center, Inc. →

Aesto LLC d/b/a Aesto Health, a healthcare data migration and archiving service provider, experienced a network security incident impacting its AWS infrastructure. An unauthorized actor copied protected health information, including names, SSNs, and medical data, between December 2 and December 18, 2025. The incident was discovered on December 18, 2025. One New Hampshire resident was affected. Aesto engaged forensic experts, contained the incident, and notified clients. Credit monitoring services were offered to affected individuals.

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Incident timeline

undetected · 206 days

discovery → filing · 6 weeks / 45 days

Dec 2, 2025

Begins

Jun 26, 2026

Discovered

Aug 10, 2026

Filed

vs. sector median

3 wks faster

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Vermont State AGbd_c99d421a32f5b14c2026-08-10Candidate
Massachusetts State AGbd_ea23cc71e1a3a1932026-08-10Verified

Name: Midtown Community Health Center, Inc.
norm: midtown community health center

Name: Midtown Community Health Center, Inc.
norm: midtown community health center
Industry: HealthcarellmTechnologyllm

Discovered: Jun 26, 2026
Breach occurred: Dec 2, 2025 – Dec 18, 2025
Undetected for: 206 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 10, 2026
Affected individuals: 1state-resident count only
Data types: PHIIdentity (basic)Government IDFinancial accountHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General
Third party: via Aesto LLC d/b/a Aesto Health

During the incident: Commenced a prompt and thorough investigation
Worked very closely with external cybersecurity professionals experienced in handling these types of incidents
Contained the incident
Notified Covered Entity clients whose patient information was included in the files potentially accessed or acquired by the unauthorized party
Set up a dedicated and confidential toll-free response line to respond to questions
Changes made: Continually evaluates and modifies its practices and internal controls to enhance the security and privacy of personal information
Offering complimentary Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(45 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Vermont State AGAug 10 · first

Massachusetts State AGAug 10 · first

New Hampshire State AGAug 10 · 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://mm.nh.gov/files/uploads/doj/remote-docs/midtown-community-health-center-20260810.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 10, 2026
Raw hash: ea572ccb4d3356b2f798ce4209bc6c8124f95007b747f0229e5cad605eaae290

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMidtown Community Health Center, Inc.

Victim entityMidtown Community Health Center, Inc.

Incidentdiscovered Jun 26, 2026

Stated responseCommenced a prompt and thorough investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov