HackingHealthcareHealthcareCustomer Data InvolvedTargetedIdentity (basic)Government IDCriticalContained

Sandhills Medical Foundation

bd_b0d44c29b558587c · schema v1 · pii pii-v1

Severity

Critical

Discovered

May 8, 2025

Filed

Jun 3, 2026

To disclose

13 months

Affected · nationwide

169,01739 in this filing

Linked

14 filings

Confidence

65%

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

Sandhills Medical Foundation, Inc. reported an external system breach (hacking) occurring on May 2, 2025, discovered on May 8, 2025. The incident affected 169,017 individuals, including 39 Maine residents. Affected data included names and personal identifiers combined with government IDs. The organization provided 12 months of identity theft protection services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 8, 2025 → Filed with AG Jun 3, 2026391d ✗ ME AG >90d13 months 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 · 6 days

discovery → filing · 13 months / 391 days

May 2, 2025

Begins

May 8, 2025

Discovered

Jun 3, 2026

Filed

vs. sector median

+45 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 397 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Nebraska State AGbd_9ca75cbc5dd187072026-06-02 · +1dVerified by operator
Texas State AGbd_b626cd7670911b3a2026-06-02 · +1dVerified by operator
New Hampshire State AGbd_cf1144d9d57c47492026-06-02 · +1dVerified by operator
New Hampshire State AGbd_dd63827fbf969c242026-04-29 · +35dVerified by operator

Show 6 more filings ↓up to 36d gap

Vermont State AGbd_fb38a941440b89702026-04-29 · +35dVerified by operator
Indiana State AGbd_14fe8ca7b959b0672026-04-28 · +36dVerified by operator
South Carolina State AGbd_838e2f76c0067c242026-04-28 · +36dVerified by operator
Indiana State AGbd_96138f16bf8d0e582026-04-28 · +36dVerified by operator
Maine State AGbd_af253afef01a24142026-04-28 · +36dVerified
Massachusetts State AGbd_cb2a787d95605c9e2026-04-28 · +36dVerified by operator

Showing first 10 of 13 linked disclosures.

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

Name: Sandhills Medical Foundation
norm: sandhills medical
Domain: sandhillsmedical.org
Industry: Healthcare
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: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 months of identity theft protection services through Cyberscout, a TransUnion company
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 months(391 days from discovery to filing)
Compliance flags: ME AG >90d · 391dME resident >180d · 355dLeak >180d
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: May 8, 2025
→ Filed with AG: Jun 3, 2026
391d 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: Jun 3, 2026	391d	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

Maine State AGApr 28 · first

Massachusetts State AGApr 28 · first

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 · this page

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-a1252b4f8318/0fc542de-6f37-4a1f-95b4-607cc8f19519.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 3, 2026
Raw hash: 2fb1f77a75b9847f3fa07402e3f05af061bb9708e01c4aedb77998b402564ed0

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entitySandhills Medical Foundation

Victim entitySandhills Medical Foundation

Incidentdiscovered May 8, 2025

Stated responseSent written notification to affected individuals

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov