Mercadien, P.C. CPAs Data Breach – Investigated by Federman & Sherwood
January 2, 2026– Federman & Sherwood is investigating a data breach involving Mercadien, P.C. CPAs, following a notification filed with the Maine Attorney General.
According to the notice, Mercadien identified a potential security incident involving its computer systems and began working with forensic cybersecurity professionals to investigate the matter, secure its systems, and determine what data may have been affected. At the time of notification, the investigation remained ongoing.
Mercadien stated that it could not yet confirm the full scope of the incident but provided notice to potentially impacted individuals out of an abundance of caution. The firm also made information available through a dedicated notice posted on its website and a toll-free assistance line.
Federman & Sherwood is investigating whether Mercadien, P.C. CPAs implemented reasonable cybersecurity safeguards, whether appropriate measures were taken to protect sensitive information, and whether individuals impacted by the incident may have legal claims.
The compromised information may have included:
- Full name
- Social Security number
- Financial information
- Other sensitive information
What is Mercadien, P.C. CPAs?
Mercadien, P.C. is a full-service accounting and advisory firm that provides audit, tax compliance, and strategic consulting services to privately-owned companies, nonprofits, and government entities.
Individuals who received a data breach notification letter or believe they may have been affected are encouraged to contact Federman & Sherwood to learn more about their rights. The firm can be reached toll-free at 1-800-237-1277 or by email at info@federmanlaw.com.