Mather & Co CPAs LLC data breach

Clerk's notes

Mather & Co CPAs LLC, a professional accounting and tax services firm, reported a data security incident that occurred on February 26, 2026. The firm officially filed notice of this event with the Indiana Attorney General on June 29, 2026, confirming that unauthorized access to its systems took place.

While the specific nature of the data involved has not been publicly detailed, Mather & Co CPAs LLC typically handles sensitive personal and financial records for its clients. Individuals who received a notification letter from the firm should review it carefully for information pertinent to their situation.

It is important for those affected to remain vigilant. We advise reviewing any notification you received from Mather & Co CPAs LLC for specific guidance on protective measures. This might include information about identity monitoring services or other steps recommended by the firm.

Monitor your accounts and financial statements for any unusual activity. If you identify any suspicious transactions or communications, report them immediately to your financial institutions and other relevant parties. Being proactive can help mitigate potential risks associated with unauthorized access to personal information.

If you received a data breach notification from Mather & Co CPAs LLC and wish to understand your options, you may be eligible to request a free case review. This can help clarify the potential implications of the breach and any available legal avenues without promising any specific outcome or establishing an attorney-client relationship.

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