Mariner Wealth Advisors Data Breach Investigation
Mariner Wealth Advisors, LLC has reported a cybersecurity incident that may have affected certain personal information. According to regulatory filings, written notices were sent on May 29, 2026. If you received a notice, it is important to review what information may have been involved, use any offered monitoring services, and watch your financial accounts and credit reports. If you want to understand your options, you can fill out the form on this page to see whether you may qualify for a claim.
Mariner Wealth Advisors, LLC is a financial services company based in Overland Park, Kansas. Public regulatory filings indicate that the company reported a cybersecurity incident affecting certain individuals. If you received a notice, the summary below explains what has been publicly disclosed and what steps may help you protect yourself.
Key Facts at a Glance
- Company: Mariner Wealth Advisors, LLC.
- Industry: Financial services.
- Location: Overland Park, Kansas.
- Reported incident type: External system breach (hacking), according to a Maine Attorney General filing.
- Reported incident date: November 21, 2025.
- Reported discovery date: November 24, 2025.
- Consumer notice date: May 29, 2026.
- Public listing date: June 1, 2026.
- Reported affected population: 8,995 individuals, including 17 Maine residents.
- Potentially involved information: Regulatory disclosures associated with this matter indicate names and certain sensitive personal data may have been involved.
- Identity protection: The filing says 12 months of CyberScout (by TransUnion) credit and identity monitoring was offered.
What Happened?
According to the Maine Attorney General filing, this matter was reported as an external system breach. The filing states the incident activity occurred on November 21, 2025 and was discovered on November 24, 2025. It also states that written notices to affected individuals were sent on May 29, 2026.
The public filing provides only limited detail about how the intrusion happened, what systems were accessed, or whether any specific attacker has been identified. A sample consumer notice does not appear to be publicly available through the filing page, so some details remain limited at this time.
What Information Was Exposed?
Based on the structured regulatory data associated with this incident, the information that may have been involved includes name, Social Security number, date of birth, account number, and government identification number. Public breach listings can summarize all data categories that may have been involved across the affected group, so not every person necessarily had every category implicated.
If you received a notice, the letter sent to you is the best source for your specific situation. Review it carefully to see what categories were identified for you and keep a copy with your records.
What Should You Do Next?
- Read your notice carefully. Confirm what information was listed, whether any deadlines apply, and whether the notice includes an enrollment code for monitoring services.
- Enroll in the offered protection. The filing says 12 months of CyberScout (by TransUnion) credit and identity monitoring was offered. If you were given instructions to enroll, consider doing so promptly.
- Monitor your financial and credit activity. Review bank, brokerage, loan, and credit card statements for unfamiliar activity. If highly sensitive information was involved, you may also consider a fraud alert or credit freeze.
- Keep documentation. Save the notice, account statements, screenshots, and notes about any suspicious calls, transactions, or time spent dealing with the issue.
- Ask questions and learn your options. The regulatory filing lists a contact number of (205) 963-7139. If you want to understand whether this reported incident may support a legal claim, you can also fill out the form on this page to contact Strauss Borrelli PLLC.
Your Legal Rights
People affected by a reported data incident may have legal rights, but those rights depend on the facts that are ultimately established and the laws that apply. In some situations, individuals may seek relief for documented out-of-pocket losses, the cost of addressing identity risks, time spent responding to the incident, or other legally recognized harm.
Potential claims in data incident matters often turn on issues such as whether reasonable safeguards were used, whether the response was timely, and whether affected people were given adequate notice and support. This page is general information only and is not individualized legal advice.
Why Hire Strauss Borrelli PLLC?
Strauss Borrelli PLLC represents individuals in data breach and privacy matters and investigates whether companies used reasonable safeguards to protect sensitive information. Our firm focuses on clear communication, practical next steps, and helping people understand their options without pressure or jargon.
If you received a notice about this reported incident and want to discuss your situation, Strauss Borrelli PLLC can review the available facts and explain what a claim may involve.
If you received a breach notification letter from Mariner Wealth Advisors LLC:
We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at 872.263.1100 or sam@straussborrelli.com.
