HackingHealthcareTechnologyHealthcareData ExfiltratedCustomer Data InvolvedDelayed DiscoveryHealth (basic)Identity (basic)Government IDPHIMediumContained

Aesto Health

bd_efc058e9ea799e38 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 26, 2026

Filed

Jul 31, 2026

To disclose

9 weeks

Affected

36state residents only

Linked

6 filings

Confidence

65%

Full breach record for Aesto Health →6 incidents on file

Aesto, LLC, a healthcare data migration service provider, experienced a network security incident impacting its AWS infrastructure between December 2 and 18, 2025. Unauthorized actors accessed a limited amount of protected health information (PHI) and personal data (names, SSNs, DOBs) of patients. Aesto confirmed the breach on May 26, 2026, and notified affected healthcare providers on June 26, 2026. No evidence of misuse was found. Affected individuals were offered credit monitoring via Epiq.

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Massachusetts clock⏱ MA AG >30d9 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 · 175 days

discovery → filing · 9 weeks / 66 days

Dec 2, 2025

Begins

May 26, 2026

Discovered

Jul 31, 2026

Filed

vs. sector median

1 wks faster

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

California State AGbd_3a91ce22cef72ff32026-07-31Candidate
New Hampshire State AGbd_67f13a4222e410302026-07-31Verified
New Hampshire State AGbd_7afae1cfba7459a52026-07-31Verified
Vermont State AGbd_ed89224a3d3fa39d2026-07-31Verified

Show 1 more filing ↓up to 5d gap

Oregon State AGbd_ffdc3411341bf72d2026-08-05 · +5dVerified

Name: Village Practice Management Company, LLC
norm: village practice management

Name: Aesto Health
norm: aesto health
Domain: aestohealth.com
Industry: HealthcarellmTechnologyllm

Discovered: May 26, 2026
Breach occurred: Dec 2, 2025 – Dec 18, 2025
Undetected for: 175 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 26, 2026
Affected individuals: 36state-resident count only
Data types: Health (basic)Identity (basic)Government IDPHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Commenced a prompt and thorough investigation
Worked very closely with external cybersecurity professionals
Conducted an extensive forensic investigation and manual document review
Notified your healthcare provider of this incident
Changes made: Offering a complimentary membership of Epiq - Privacy Solutions ID
Providing instructions on how to activate the complimentary membership
Suggested steps to protect medical information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(66 days from discovery to filing)
Compliance flags: MA AG >30d
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.

Filing propagation · 6 filings · 5 states

View merged incident ↗

California State AGJul 31 · first

New Hampshire State AGJul 31 · first

Vermont State AGJul 31 · first

Massachusetts State AGJul 31 · first · this page

Oregon State AG+5d

Pattern: first filing Jul 31 (CA), last Aug 5 (OR) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/2026-1269-village-practice-management-company-llc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 31, 2026
Raw hash: a97c6d0eb67eef2d9025e1498846daa1321524281f33286b255a657b5ee58384

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityVillage Practice Management Company, LLC

Victim entityAesto Health

Incidentdiscovered May 26, 2026

Stated responseCommenced a prompt and thorough investigation

ComplianceMA AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov