HackingHealthcareHealthcareCustomer Data InvolvedPIIIdentity (basic)LowContained

Sunflower Medical Group

bd_6382a8ad836487d7 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 7, 2025

Filed

May 12, 2025

To disclose

18 weeks

Affected

Not disclosed

Linked

12 filings

Confidence

65%

Full breach record for Sunflower Medical Group →

Sunflower Medical Group, P.A. notified consumers of a data breach where an unauthorized third party accessed systems on or about December 15, 2024. Personal information was acquired. The company engaged forensic investigators, secured systems, and offered one year of Experian IdentityWorks credit monitoring. No evidence of fraud was found.

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Vermont clock✗ VT AG >45 bday18 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 · 23 days

discovery → filing · 18 weeks / 125 days

Dec 15, 2024

Begins

Jan 7, 2025

Discovered

May 12, 2025

Filed

vs. sector median

+7 wks slower

This filing is one of 12 about the same incident.View merged incident

A leak claim by rhysida about this victim predates this filing by 148 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siterhysidabd_e5d82dbddf2810722025-01-07 · +125dVerified by operator

Regulatory filings (9) · sorted by filing gap

New Hampshire State AGbd_a789960305d766a82025-03-10 · +63dVerified
Vermont State AGbd_0287312e9299b7db2025-03-07 · +66dVerified
Nebraska State AGbd_11c58a3f9c5c03982025-03-07 · +66dVerified
HHS OCRbd_3d351c7dbcb8fcb42025-03-07 · +66dVerified by operator

Show 5 more filings ↓up to 72d gap

Maine State AGbd_b09dbb58ef0fad222025-03-07 · +66dVerified
Massachusetts State AGbd_c63e9d10412ec1162025-03-07 · +66dVerified
Montana State AGbd_df8e68de2fa412282025-03-07 · +66dVerified
California State AGbd_f42c06780ea08d462025-03-07 · +66dVerified
Illinois State AGbd_dcfd70734cbc00352025-03-01 · +72dCandidate

Showing first 10 of 11 linked disclosures.

Name: Sunflower Medical Group
norm: sunflower medical
Domain: sunflowermed.com

Name: Sunflower Medical Group
norm: sunflower medical
Domain: sunflowermed.com
Industry: Healthcarellm

Discovered: Jan 7, 2025
Breach occurred: Dec 15, 2024
Undetected for: 23 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 12, 2025
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Engaged a forensic security firm to assist with Sunflower’s investigation of the incident
Took steps to further secure its systems
Offering a complimentary one-year membership of Experian IdentityWorks Credit 3B
Changes made: Enhancing our technical security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(125 days from discovery to filing)
Compliance flags: VT AG >45 bdayLeak >90d
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 · 10 filings · 9 states

View merged incident ↗

Illinois State AGMar 1 · first

Vermont State AG+6d

Nebraska State AG+6d

HHS OCR+6d

Maine State AG+6d

Massachusetts State AG+6d

Montana State AG+6d

California State AG+6d

New Hampshire State AG+9d

Vermont State AG+72d · this page

Pattern: first filing Mar 1 (IL), last May 12 (VT) — a 72-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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://ago.vermont.gov/document/2025-05-12-sunflower-medical-group-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 12, 2025
Raw hash: 8a192fdda4b0273d6c1b908833ddf646577c2ec8bfb1f442207afee3ee88f7ea

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entitySunflower Medical Group

Victim entitySunflower Medical Group

Incidentdiscovered Jan 7, 2025

Stated responseEngaged a forensic security firm to assist with Sunflower’s investigation of the incident

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov