HackingHealthcareFinancial ServicesHealthcareStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)PHIMediumContained

Omaha Health Insurance Company

bd_c8ffadd05eb96ee7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 22, 2023

Filed

Aug 3, 2023

To disclose

6 weeks

Affected

3state residents only

Linked

2 filings

Confidence

66%

Full breach record for Omaha Health Insurance Company →2 incidents on file

Omaha Health Insurance Company (OHIC) notified 3 Montana residents of a data breach involving a third-party vendor. Unauthorized downloads occurred between May 30 and June 2, 2023. Data included names, SSNs, DOBs, medical claims, and banking info. OHIC engaged law enforcement and offered 12 months of identity protection.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 23 days

discovery → filing · 6 weeks / 42 days

May 30, 2023

Begins

Jun 22, 2023

Discovered

Aug 3, 2023

Filed

vs. sector median

7 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_10005b431ab6d3472023-08-03Verified

Name: Omaha Health Insurance Company
norm: omaha health insurance

Name: Omaha Health Insurance Company
norm: omaha health insurance
Industry: HealthcarellmFinancial Servicesllm

Discovered: Jun 22, 2023
Breach occurred: May 30, 2023 – Jun 2, 2023
Undetected for: 23 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 22, 2023
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)PHI
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1041 Exfiltration Over C2 ChannelT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Vendor notified law enforcement
Initial access: trusted_relationship

During the incident: Working closely with the vendor to ensure systems are updated to block these activities
Vendor notified law enforcement
Offering identity theft protection services through IDX
Changes made: Systems updated to block these activities and prevent disclosures of this nature from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(42 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Indiana State AGAug 3 · first

Montana State AGAug 3 · first · this page

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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-512.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 3, 2023
Raw hash: 1677128a896ebc0f56bd7b15d45cf799d6bd27601abb6a0c1258f7a49bd95ebb

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityOmaha Health Insurance Company

Victim entityOmaha Health Insurance Company

Incidentdiscovered Jun 22, 2023

Stated responseWorking closely with the vendor to ensure systems are updated to block these activities

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov