HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Mariner Wealth Advisors, LLC

bd_9cf755fca5b2e75e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 24, 2025

Filed

May 29, 2026

To disclose

—

Affected

Not disclosed

Linked

7 filings

Confidence

66%

Full breach record for Mariner Wealth Advisors, LLC →2 incidents on file

Mariner Wealth Advisors LLC notified Nebraska AG on May 29, 2026, of a security incident involving cloud applications accessed by a criminal third party starting November 24, 2025. The breach exposed names, account numbers, DOB, and SSNs/government IDs of clients. Affected individuals were offered 12 months of credit monitoring. The incident was isolated to specific cloud apps; core financial systems were unaffected. No evidence of data misuse was found.

J jump to incidentP pin to compareR raw source

Incident timeline

Nov 24, 2025

Discovered

May 29, 2026

Filed

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Indiana State AGbd_01f2ddbfef6a94ce2026-05-29Verified
California State AGbd_042e1d26630afaf72026-06-01 · +3dVerified
Washington State AGbd_7b9c677fce6b96d22026-06-01 · +3dVerified
Maine State AGbd_dc209b391466c5de2026-06-01 · +3dVerified

Show 2 more filings ↓up to 4d gap

New Hampshire State AGbd_fe3948411c5ce93d2026-06-01 · +3dVerified
Massachusetts State AGbd_b1757d3f979464622026-06-02 · +4dCandidate

Name: Mariner Wealth Advisors, LLC
norm: mariner wealth advisors

Name: Mariner Wealth Advisors, LLC
norm: mariner wealth advisors
Industry: Financial Servicesllm

Discovered: Nov 24, 2025
Materiality determined: —
Notification sent: May 29, 2026
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: communicating with federal law enforcement and regulatory authorities
Initial access: exploit_public_facing

During the incident: Initiated its incident response plan
Accounts were immediately isolated, secured, and analyzed
Communicating with federal law enforcement and regulatory authorities
Mariner’s investigation performed alongside third-party experts
Engaged third-party researchers to monitor websites, forums and other online sources for signs of data misuse
Referenced cloud applications have been secured
Emphasize cybersecurity awareness in our employee training materials
Working with our external advisors to fortify our cybersecurity defenses
Offered you complimentary access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services
Changes made: Referenced cloud applications have been secured
Emphasize cybersecurity awareness in our employee training materials
Working with our external advisors to fortify our cybersecurity defenses
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 · 7 filings · 7 states

View merged incident ↗

Indiana State AGMay 29 · first

Nebraska State AGMay 29 · first · this page

California State AG+3d

Washington State AG+3d

Maine State AG+3d

New Hampshire State AG+3d

Massachusetts State AG+4d

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/df27603b-c3da-4f0f-88fa-216762ba1ae6.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 29, 2026
Raw hash: dd13168c7da444408b41a72a7b1e350a637547d989a623e26d5de4468854d93f

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMariner Wealth Advisors, LLC

Victim entityMariner Wealth Advisors, LLC

Incidentdiscovered Nov 24, 2025

Stated responseInitiated its incident response plan

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov