HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDCriticalContained

Sunflower Medical Group

bd_b09dbb58ef0fad22 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jan 7, 2025

Filed

Mar 7, 2025

To disclose

8 weeks

Affected · nationwide

220,96836 in this filing

Linked

12 filings

Confidence

64%

Full breach record for Sunflower Medical Group →

Sunflower Medical Group, P.A. reported an external system breach (hacking) occurring on December 15, 2024, discovered on January 7, 2025. The incident affected 220,968 individuals nationwide, including 36 Maine residents. Personal information, including government identifiers, was acquired. The company engaged forensic investigators, secured systems, and offered 12 months of Experian IdentityWorks credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jan 7, 2025 → Filed with AG Mar 7, 202559d ⏱ ME AG >30d8 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 23 days

discovery → filing · 8 weeks / 59 days

Dec 15, 2024

Begins

Jan 7, 2025

Discovered

Mar 7, 2025

Filed

vs. sector median

3 wks faster

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siterhysidabd_e5d82dbddf2810722025-01-07 · +59dVerified by operator

Regulatory filings (9) · sorted by filing gap

Vermont State AGbd_0287312e9299b7db2025-03-07Verified
Nebraska State AGbd_11c58a3f9c5c03982025-03-07Verified
HHS OCRbd_3d351c7dbcb8fcb42025-03-07Verified by operator
Massachusetts State AGbd_c63e9d10412ec1162025-03-07Verified

Show 5 more filings ↓up to 66d gap

Montana State AGbd_df8e68de2fa412282025-03-07Verified
California State AGbd_f42c06780ea08d462025-03-07Verified
New Hampshire State AGbd_a789960305d766a82025-03-10 · +3dVerified
Illinois State AGbd_dcfd70734cbc00352025-03-01 · +6dCandidate
Vermont State AGbd_6382a8ad836487d72025-05-12 · +66dVerified

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: Mar 7, 2025
Affected individuals: 220,968state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: External
Initial access: exploit_public_facing

During the incident: Engaged a forensic security firm to assist with Sunflower’s investigation of the incident
Took steps to further secure its systems
Changes made: Enhancing our technical security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(59 days from discovery to filing)
Compliance flags: ME AG >30d · 59d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jan 7, 2025
→ Filed with AG: Mar 7, 2025
59d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jan 7, 2025 → Filed with AG: Mar 7, 2025	59d	30 days (soft)	ME AG >30d

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

Massachusetts State AG+6d

Montana State AG+6d

California State AG+6d

Maine State AG+6d · this page

New Hampshire State AG+9d

Vermont State AG+72d

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/e2ac36fe-8544-4e52-b422-c482bf738652.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 7, 2025
Raw hash: 5e118f745e1bb2187d5fb2d4311dcb9c34461fd696ca29ad0f0faa84bf234ec3

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

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov