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Mark Leyden & Associates Data Breach Lawsuit Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Mark Leyden & Associates, LLC data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Mark Leyden & Associates
Mark Leyden & Associates is a wealth management and financial advisory firm based in Indianapolis, Indiana. Founded in 2007 by Mark Leyden, the company specializes in life insurance asset management, business succession planning and financial strategies for high-net-worth individuals, entrepreneurs and closely held businesses.
The firm is part of Lion Street, a national network of advisor-owned firms.
What Happened?
Mark Leyden & Associates discovered unauthorized access to an employee email account, which occurred between May and October of 2025. The breach was detected and remediated, and a thorough investigation was conducted.
On Feb. 18, 2026, the company determined that sensitive consumer information was included in the compromised emails.
Information Exposed:
- Names
- Social Security numbers
- Driver’s license numbers
- Financial account numbers
The breach was reported to state authorities on March 24, 2026, and affected individuals were notified by written letter. The breach affected at least one person in Maine, three in Massachusetts and two in New Hampshire.
You May Be Entitled to Compensation
If your information was exposed in the Mark Leyden & Associates, LLC data breach, you may have legal rights and could be entitled to compensation. Lawyers are ready to help affected individuals understand their options and pursue claims related to this incident.
To find out if you qualify and to join a potential lawsuit, complete the below form.
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