HackingPHIHealth (basic)Government IDIdentity (basic)Financial accountMediumContained

Aesto Health

bd_5e7dd6f1864a37c4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 18, 2025

Filed

Aug 12, 2026

To disclose

—

Affected

Not disclosed

Confidence

65%

Full breach record for Aesto Health →2 incidents on file

Aesto, LLC d/b/a Aesto Health experienced a network security incident impacting its AWS infrastructure between December 2 and December 18, 2025. The unauthorized access potentially exposed protected health information (PHI), including names, dates of birth, medical information, driver's license numbers, financial account numbers, health insurance info, ITINs, government IDs, and Social Security numbers. Aesto notified affected Covered Entity clients on June 26, 2026. No evidence of identity theft or fraud was found. The incident was contained to a limited portion of Aesto's AWS infrastructure.

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Incident timeline

undetected · 16 days

Dec 2, 2025

Begins

Dec 18, 2025

Discovered

Aug 12, 2026

Filed

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

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

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

Discovered: Dec 18, 2025
Breach occurred: Dec 2, 2025 – Dec 18, 2025
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 26, 2026
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Government IDIdentity (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Initial access: exploit_public_facing

During the incident: Engaged leading cybersecurity experts to identify what personal information, if any, was involved
Conducted extensive forensic investigation and manual document review
Contained the incident
Commenced a thorough investigation
Notified its 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
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.

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://nebraska.gov/ago/data-breach/documents/820d4941-8308-479d-850c-e600ba6b6eb0.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: 488aab6df8a459468ab4247869b6a0cb5a6eb7a16b24c46d14aba7e899bf146b

Reporting entityAesto Health

Victim entityAesto Health

Incidentdiscovered Dec 18, 2025

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov