Mercadien P.C., CPAs data breach

Clerk's notes

Mercadien P.C., CPAs, a professional services firm, has disclosed an incident involving the security of its systems. The breach reportedly took place on September 17, 2025, and potentially exposed personal information belonging to individuals.

The specific nature of this security incident, as well as the exact categories of personal data compromised, have not been detailed in public filings. Affected individuals are advised to carefully review any notification letters they may have received directly from Mercadien P.C., CPAs for more precise information regarding their data.

While the full scope remains under assessment, individuals who received a breach notification should consider taking proactive steps to protect themselves. This includes closely monitoring financial accounts and credit reports for any suspicious activity. Placing a fraud alert or a credit freeze with major credit bureaus can also offer additional security against unauthorized access.

Mercadien P.C., CPAs officially reported this data breach on October 12, 2026. The investigation into the incident is currently listed as 'monitoring' status. This indicates ongoing review and assessment of the situation.

If you have received a notification regarding this breach, understanding your legal options is important. An attorney review can help you determine the potential impact of this event on your personal data and advise on the appropriate next steps. You may qualify for a free case review.

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