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Mariner Wealth Advisors LLC Data Breach

State
IN
Reported
May 29, 2026
Breach date
Nov 21, 2025

Mariner Wealth Advisors LLC, a financial advisory firm, has confirmed a data security incident affecting its systems. The breach occurred on or about November 21, 2025, and the company reported the incident to authorities on May 29, 2026.

While the specific nature of the cyberattack and the types of personal information involved have not been detailed, the company is sending notification letters to individuals whose data may have been compromised. These letters should contain more specific details about how you are affected and what actions the company recommends.

If you received a data breach notification from Mariner Wealth Advisors LLC, it means your personal information was potentially exposed to unauthorized parties. It's important to read your letter carefully to understand the scope of the incident as it pertains to your data.

As a general precaution after any data exposure, it is wise to remain vigilant for unusual activity across your accounts. Consider monitoring your financial statements and credit reports for anything suspicious. You may also want to change passwords for any online accounts that shared credentials.

Companies like Mariner Wealth Advisors LLC are responsible for safeguarding client data, and when a breach occurs, victims may have legal recourse. Our firm is currently investigating the Mariner Wealth Advisors LLC data breach to determine if a class action lawsuit is appropriate.

If your personal information was exposed in this incident and you received a notification letter, you may be entitled to compensation. We offer a free, no-obligation case review to help you understand your legal options.

Got a letter from Mariner Wealth Advisors LLC?

A licensed data breach attorney will review your situation for free. No fee unless you recover.

Reviewed by David S. Harris, Esq., Law Office of David S. Harris · Florida Bar No. 0112739. About the firm

Source: IN attorney general breach filing