HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Delayed DiscoveryPHIHealth (basic)Government IDIdentity (basic)Financial accountMediumContained

Murfreesboro Medical Clinic

bd_31a73685715d8a65 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Dec 18, 2025

Filed

Aug 26, 2026

To disclose

36 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for Murfreesboro Medical Clinic →3 incidents on file

Aesto Health, a healthcare data migration and archiving service provider, experienced a network security incident impacting its AWS infrastructure. Unauthorized access occurred between December 2 and December 18, 2025, and was detected on December 18, 2025. Protected health information, including names, dates of birth, medical info, driver's license numbers, financial account numbers, and Social Security numbers, may have been accessed or acquired. Murfreesboro Medical Clinic is one of the affected covered entities. Aesto contained the incident, engaged forensic experts, and is providing 12 months of credit monitoring to affected individuals.

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California clockDiscovered Dec 18, 2025 → Notified Jun 26, 2026190d ✗ CA 60-day late36 weeks discovery → filing

Incident timeline

undetected · 16 days

discovery → filing · 36 weeks / 251 days

Dec 2, 2025

Begins

Dec 18, 2025

Discovered

Aug 26, 2026

Filed

vs. sector median

+25 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

Vermont State AGbd_222a16253a8728742026-08-27 · +1dCandidate

Name: AESTO, LLC
norm: aesto
Domain: aestohealth.com

Name: Murfreesboro Medical Clinic
norm: murfreesboro medical clinic
Domain: mmclinic.com
Industry: Healthcarellm

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: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Third party: via Aesto, LLC d/b/a Aesto Health

During the incident: Contained the incident immediately upon detection
Engaged leading cybersecurity experts to identify what personal information was involved
Conducted extensive forensic investigation and manual document review
Notified Covered Entity clients whose patient information was included in the files potentially accessed or acquired
Set up a dedicated and confidential toll-free response line
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge for twelve (12) months
Changes made: Continually evaluates and modifies 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: 36 weeks(251 days from discovery to filing)
Compliance flags: CA 60-day late · 190dCA AG copy >15d · 61d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Dec 18, 2025
→ Notified: Jun 26, 2026
190d 60 days (analyst band, pre-2026 discoveries) CA 60-day late
California
Consumers notified: Jun 26, 2026
→ AG copy submitted: Aug 26, 2026
61d 15 calendar days CA AG copy >15d

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Dec 18, 2025 → Notified: Jun 26, 2026	190d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late
California	Consumers notified: Jun 26, 2026 → AG copy submitted: Aug 26, 2026	61d	15 calendar days	CA AG copy >15d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGAug 26 · first · this page

Vermont State AG+1d

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://oag.ca.gov/ecrime/databreach/reports/sb24-628900
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 26, 2026
Raw hash: e6ebedfd2b6630c0bf15cdee17c5b4680d88fea1aabe6dab01a466730b6ba7e6

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityAESTO, LLC

Victim entityMurfreesboro Medical Clinic

Incidentdiscovered Dec 18, 2025

Stated responseContained the incident immediately upon detection

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov