MalwareGovernment IDIdentity (basic)PHIHealth (basic)MediumContained

Sandhills Medical Foundation

bd_9ca75cbc5dd18707 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 8, 2025

Filed

Jun 2, 2026

To disclose

—

Affected

Not disclosed

Linked

14 filings

Confidence

66%

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

Sandhills Medical Foundation, Inc. (d/b/a Sandhills Medical) notified Nebraska residents of a ransomware attack discovered on May 8, 2025. An unauthorized third party accessed the server, obtaining patient data including SSN, driver's license, DOB, government ID, passport, and PHI. Sandhills engaged cybersecurity experts, law enforcement, and forensic firms, regained network control, and enhanced security protocols. Affected individuals were offered 12 months of free credit monitoring and fraud assistance via Cyberscout/TransUnion.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d

Incident timeline

May 8, 2025

Discovered

Jun 2, 2026

Filed

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 396 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Texas State AGbd_b626cd7670911b3a2026-06-02Verified by operator
New Hampshire State AGbd_cf1144d9d57c47492026-06-02Verified by operator
Maine State AGbd_b0d44c29b558587c2026-06-03 · +1dVerified by operator
New Hampshire State AGbd_dd63827fbf969c242026-04-29 · +34dVerified by operator

Show 6 more filings ↓up to 35d gap

Vermont State AGbd_fb38a941440b89702026-04-29 · +34dVerified by operator
Indiana State AGbd_14fe8ca7b959b0672026-04-28 · +35dVerified by operator
South Carolina State AGbd_838e2f76c0067c242026-04-28 · +35dVerified by operator
Indiana State AGbd_96138f16bf8d0e582026-04-28 · +35dVerified by operator
Maine State AGbd_af253afef01a24142026-04-28 · +35dVerified
Massachusetts State AGbd_cb2a787d95605c9e2026-04-28 · +35dVerified 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

Discovered: May 8, 2025
Materiality determined: —
Notification sent: Jun 2, 2026
Affected individuals: Not disclosed
Data types: Government IDIdentity (basic)PHIHealth (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement
Initial access: exploit_public_facing

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

Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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

Texas State AG+35d

New Hampshire State AG+35d

Nebraska State AG+35d · this page

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://nebraska.gov/ago/data-breach/documents/3b716f78-ad88-4437-b0ef-6f386f72650d.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 2, 2026
Raw hash: c41639c67b97919d36f8721abdf329e570b858e8fc6e3d64e9e9fbeb09b9d2cc

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entitySandhills Medical Foundation

Victim entitySandhills Medical Foundation

Incidentdiscovered May 8, 2025

Stated responseRegained our secured network

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov