HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDPIIMediumContained

MUTUAL OF OMAHA INSURANCE COMPANY

bd_7f2391277e342f76 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jan 6, 2026

Filed

Feb 6, 2026

To disclose

—

Affected

Not disclosed

Confidence

65%

Full breach record for MUTUAL OF OMAHA INSURANCE COMPANY →5 incidents on file

6 Degrees Health DX, LLC, a third-party service provider for Mutual of Omaha Insurance Company, reported a cybersecurity incident involving unauthorized access to an email mailbox containing policyholder data. The breach occurred between December 30, 2025, and January 6, 2026, when suspicious login attempts from unfamiliar IP addresses were detected. The compromised data included names, policy numbers, Social Security numbers, and dates of birth. 6 Degrees contained the incident by securing the mailbox, resetting passwords, and disabling the account. Affected individuals were notified on February 6, 2026, and offered credit monitoring services.

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Incident timeline

undetected · 7 days

Dec 30, 2025

Begins

Jan 6, 2026

Discovered

Feb 6, 2026

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: 6 Degrees Health DX, LLC
norm: 6 degrees health dx

Name: MUTUAL OF OMAHA INSURANCE COMPANY
norm: mutual of omaha insurance
Industry: Financial Servicesllm

Discovered: Jan 6, 2026
Breach occurred: Dec 30, 2025 – Jan 6, 2026
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 6, 2026
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDPII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Secured the affected email mailbox
Began a thorough investigation
Quarantining and isolating the network
Reset the mailbox password
Revoked active sessions
Disabled the affected account
Reviewed mailbox rules to identify and remove any unauthorized changes
Implemented enhanced security measures
Engaged qualified third- party experts to conduct a comprehensive review of its systems and security practices
Changes made: Implemented enhanced security measures
Engaged qualified third- party experts to conduct a comprehensive review of its systems and security practices to strengthen safeguards going forward
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.

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/1b7eda2d-5d1d-4fd8-b7d3-48ade61be198.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 6, 2026
Raw hash: 45408454c745c9c9379c061cd259eed7af4ae924e6f5628885694b127eb5d747

Reporting entity6 Degrees Health DX, LLC

Victim entityMUTUAL OF OMAHA INSURANCE COMPANY

Incidentdiscovered Jan 6, 2026

Stated responseSecured the affected email mailbox

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov