MalwareHealthcareHealthcareRansomwareData ExfiltratedData EncryptedRansom DemandedCustomer Data InvolvedMulti-Stage ChainGovernment IDIdentity (basic)Health (basic)PHICriticalContained

Sandhills Medical Foundation

bd_af253afef01a2414 · schema v1 · pii pii-v1

Severity

Critical

Discovered

May 8, 2025

Filed

Apr 28, 2026

To disclose

51 weeks

Affected · nationwide

169,0178 in this filing

Linked

14 filings

Confidence

65%

Full breach record for Sandhills Medical Foundation →2 incidents on file

Sandhills Medical Foundation, Inc. reported a ransomware attack on May 2, 2025, discovered on May 8, 2025. An unauthorized third party accessed servers, encrypting data and exfiltrating PHI, SSNs, driver's licenses, and DOB for 169,017 individuals. Notices were sent April 28, 2026, offering 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 8, 2025 → Filed with AG Apr 28, 2026355d ✗ ME AG >90d51 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 · 6 days

discovery → filing · 51 weeks / 355 days

May 2, 2025

Begins

May 8, 2025

Discovered

Apr 28, 2026

Filed

vs. sector median

+40 wks slower

This filing is one of 14 about the same incident.View merged incident

A leak claim by inc_ransom about this victim predates this filing by 361 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Indiana State AGbd_14fe8ca7b959b0672026-04-28Verified by operator
South Carolina State AGbd_838e2f76c0067c242026-04-28Verified by operator
Indiana State AGbd_96138f16bf8d0e582026-04-28Verified by operator
Massachusetts State AGbd_cb2a787d95605c9e2026-04-28Verified by operator

Show 6 more filings ↓up to 36d gap

New Hampshire State AGbd_dd63827fbf969c242026-04-29 · +1dVerified by operator
Vermont State AGbd_fb38a941440b89702026-04-29 · +1dVerified by operator
Nebraska State AGbd_9ca75cbc5dd187072026-06-02 · +35dVerified by operator
Texas State AGbd_b626cd7670911b3a2026-06-02 · +35dVerified by operator
New Hampshire State AGbd_cf1144d9d57c47492026-06-02 · +35dVerified by operator
Maine State AGbd_b0d44c29b558587c2026-06-03 · +36dVerified by operator

Showing first 10 of 13 linked disclosures.

Name: Sandhills Medical Foundation
norm: sandhills medical
Domain: sandhillsmedical.org

Name: Sandhills Medical Foundation
norm: sandhills medical
Domain: sandhillsmedical.org
Industry: Healthcarellm

Discovered: May 8, 2025
Breach occurred: May 2, 2025
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 28, 2026
Affected individuals: 169,017state + nationwide
Data types: Government IDIdentity (basic)Health (basic)PHI
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Regained secured network
Began investigation with help of cybersecurity experts, law enforcement and an independent forensic firm
Enhanced network protocols and security partners
Providing access to credit monitoring services at no charge for twelve months
Providing proactive fraud assistance by Cyberscout
Changes made: Enhanced network protocols and security partners to further improve security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 51 weeks(355 days from discovery to filing)
Compliance flags: ME AG >90d · 355dME resident >180d · 355dLeak >180d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 8, 2025
→ Filed with AG: Apr 28, 2026
355d 90 days ME AG >90d
Maine
Discovered: May 8, 2025
→ Notified: Apr 28, 2026
355d 180 days ME resident >180d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 8, 2025 → Filed with AG: Apr 28, 2026	355d	90 days	ME AG >90d
Maine	Discovered: May 8, 2025 → Notified: Apr 28, 2026	355d	180 days	ME resident >180d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

Indiana State AGApr 28 · first

South Carolina State AGApr 28 · first

Indiana State AGApr 28 · first

Massachusetts State AGApr 28 · first

Maine State AGApr 28 · first · this page

New Hampshire State AG+1d

Vermont State AG+1d

Nebraska State AG+35d

Texas State AG+35d

New Hampshire State AG+35d

Maine State AG+36d

Pattern: first filing Apr 28 (IN), last Jun 3 (ME) — a 36-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 13 — 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/e36cacd3-3e26-4bed-be5b-45965f2326cb.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 28, 2026
Raw hash: 3da36564868afc5305b0e6fc3c415120db421eecfcda5cd08316c8dc16125b87

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entitySandhills Medical Foundation

Victim entitySandhills Medical Foundation

Incidentdiscovered May 8, 2025

Stated responseRegained secured network

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov