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

Aesto Health

bd_b5161dd8223d8ca9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 18, 2025

Filed

Aug 12, 2026

To disclose

34 weeks

Affected

4state residents only

Linked

2 filings

Confidence

66%

Full breach record for Aesto Health →6 incidents on file

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 accessed and copied data between December 2 and December 18, 2025. The incident was detected on December 18, 2025. Affected data included PHI, names, SSNs, driver's license numbers, and financial account numbers for patients of Covered Entity clients, including Tapestry 360 Health. Approximately 4 New Hampshire residents were affected. Aesto engaged forensic specialists, contained the incident, and notified clients and regulators.

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Incident timeline

undetected · 16 days

discovery → filing · 34 weeks / 237 days

Dec 2, 2025

Begins

Dec 18, 2025

Discovered

Aug 12, 2026

Filed

vs. sector median

+23 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

New Hampshire State AGbd_1e1311a19a8d836a2026-08-10 · +2dCandidate

Name: TAPESTRYHEALTH
norm: tapestryhealth

Name: Aesto Health
norm: aesto health
Domain: aestohealth.com
Also named: Aesto LLCdba oflegal entity
Aesto Healthdba oftrade name
Industry: HealthcarellmTechnologyllm

Discovered: Dec 18, 2025
Breach occurred: Dec 2, 2025 – Dec 18, 2025
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 12, 2026
Affected individuals: 4state-resident count only
Data types: PHIIdentity (basic)Government IDFinancial accountHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 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 an investigation into the full nature and scope of the incident
Worked closely with third-party forensic specialists
Contained the incident
Engaged leading cybersecurity experts
Notified Covered Entity clients whose patient information was included in the files potentially accessed or acquired by the unauthorized party
Posted notice of this event on its website
Provided notice to major statewide media in New Hampshire
Began mailing notice letters to affected New Hampshire residents
Set up a dedicated and confidential toll-free response line
Changes made: Continually evaluates and modifies its practices to enhance the security and privacy of the personal information it maintains
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 34 weeks(237 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

New Hampshire State AGAug 10 · first

New Hampshire State AG+2d · 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/tapestry-360-health-20260812.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 12, 2026
Raw hash: d4895ec24861eff7f948ed017ba8787a22057e43f69a0c7bf4e991ada372e19e

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityTAPESTRYHEALTH

Victim entityAesto Health

Incidentdiscovered Dec 18, 2025

Stated responseCommenced an investigation into the full nature and scope of the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov