Mercadien PC Certified Public Accountants data breach

Clerk's notes

Mercadien PC Certified Public Accountants has reported a data security incident originating on September 17, 2025. This breach, which involves unauthorized access to systems, was officially filed on February 17, 2026, and is now under an ongoing investigation.

The specific categories of information potentially exposed have not been detailed. However, it is understood that systems containing personal information were accessed without authorization. Individuals who received a breach notification letter from Mercadien PC should be aware that their data may be affected.

The current status of this incident is designated as "investigating." This means that authorities and legal experts are actively reviewing the circumstances surrounding the breach, including how it occurred, what data was involved, and the potential implications for affected individuals.

For those who have received a notification regarding this data breach, it is advisable to take proactive steps to protect your personal information. This includes closely monitoring all your financial accounts and credit reports for any unusual activity. Considering a fraud alert or credit freeze may also be a prudent measure.

If you reside in Indiana and have received a data breach notification from Mercadien PC Certified Public Accountants, you may qualify for a complimentary review of your case. This review can help clarify your options and potential next steps.

If a notification letter about this breach reached you, see every IN data breach on file or browse all cases.