The Mengel, Metzger, Barr & Co., LLP Data Breach: Reported Filing Facts
Mengel, Metzger, Barr & Co., LLP is a professional services firm specializing in accounting, auditing, and tax advisory services. As a firm that handles sensitive financial and tax-related matters, they typically collect and store highly confidential information, including Social Security numbers, tax returns, and detailed financial account records. This data breach was officially reported to the New Hampshire Attorney General in 2025, confirming that unauthorized access to their systems occurred. If you received a data breach notification letter from the firm, it indicates that your personal or financial information was likely contained within the affected files. We recommend reviewing the letter carefully to understand the specific scope of the exposure and the identity monitoring services being offered to you.
- State
- New Hampshire
- Reported
- July 21, 2025
What to do if you were affected
These general steps can help limit the risk of identity theft and fraud after any data breach.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Related data breach cases
- Janome America, Inc.
- Sullivan Environmental Services
- City of New Britain, Inc.
- New Hampshire Housing Yardi’s RentCafe
- Pocket FM
- Werth Wealth Management, LLC
- Wei Wei & Company
- Ameriprise Financial
- Joyal Financial Management Group
- Quantum Health
- HCA Healthcare, Inc.
- Alabama Symphonic Association Inc.
- Tombigbee Healthcare Authority dba Whitfield Regional Hospital
- Foster & Eldridge LLP