HackingHealthcareHealthcareStolen CredentialsCustomer Data InvolvedData ExfiltratedIdentity (basic)Government IDHealth (basic)PHIHighContained

OCH Regional Medical Center

bd_178413f86a3c7511 · schema v1 · pii pii-v2

Severity

High

Discovered

Sep 14, 2023

Filed

Jun 18, 2025

To disclose

—

Affected

41,779scope not determined

Linked

3 filings

Confidence

67%

Full breach record for OCH Regional Medical Center →

OCH Regional Medical Center notified Nebraska AG that on September 6, 2023, an unauthorized third party accessed confidential files containing personal and medical information of 41,779 patients. The breach was discovered on September 14, 2023. Data potentially included names, SSNs, DOBs, insurance info, and medical treatment records. OCH engaged law enforcement and forensic specialists, secured systems, and offered 12 months of identity theft protection via IDX to affected patients.

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Incident timeline

undetected · 8 days

Sep 6, 2023

Begins

Sep 14, 2023

Discovered

Jun 18, 2025

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_1bb0ed625dc7f3db2025-06-13 · +5dCandidate
Illinois State AGbd_df39de9b398c03cc2025-06-01 · +17dVerified

Name: OCH Regional Medical Center
norm: och regional medical center

Name: OCH Regional Medical Center
norm: och regional medical center
Industry: Healthcarellm

Discovered: Sep 14, 2023
Breach occurred: Sep 6, 2023
Undetected for: 8 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 41,779scope not determined
Data types: Identity (basic)Government IDHealth (basic)PHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified law enforcement
Initial access: valid_credentials

During the incident: Worked in conjunction with law enforcement to investigate the breach
Took steps to secure our systems
Engaged third-party forensic specialist to assist us with investigating the extent of any unauthorized activity and identifying the affected patients
Changes made: Offering identity theft protection services through IDX
Offering 12 months of credit and CyberScan monitoring
Offering a $1,000,000 insurance reimbursement policy
Offering fully managed ID theft recovery services
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Illinois State AGJun 1 · first

Massachusetts State AG+12d

Nebraska State AG+17d · this page

Pattern: first filing Jun 1 (IL), last Jun 18 (NE) — a 17-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/1def8b23-a121-4f5a-bde4-4cc936aefaeb.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 18, 2025
Raw hash: 1c46dd9924a9a810339e3874504a22a4baa162a7b7756bc16d05ab3776aa313a

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityOCH Regional Medical Center

Victim entityOCH Regional Medical Center

Incidentdiscovered Sep 14, 2023

Stated responseWorked in conjunction with law enforcement to investigate the breach

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov