Chalmers Insurance Group Data Breach Lawsuit

Chalmers Insurance Group, a well-known provider of insurance services, has recently experienced a data security incident affecting the personal information of 57 New Hampshire residents. The breach, which was first identified on April 13, 2025, involved unauthorized access to certain files containing sensitive data. Chalmers has taken steps to notify those impacted and offer resources to help protect their information.

Chalmers Insurance Group’s Data Breach Investigation

On April 13, 2025, Chalmers became aware of unusual activity within its network systems. In response, the company immediately engaged independent cybersecurity experts to conduct a thorough investigation. The investigation revealed that between April 8, 2025, and April 10, 2025, certain files were accessed without authorization, potentially exposing personal data.

Chalmers worked diligently to identify which individuals were affected by the breach. After an extensive review of the potentially impacted data, Chalmers confirmed that the breach involved the personal information of 57 New Hampshire residents. The company completed its review and data reconciliation process by September 8, 2025, and initiated notification to the affected individuals.

When Did This Breach Occur?

The data security incident was first detected on April 13, 2025. Unauthorized access to certain files occurred between April 8 and April 10, 2025. The process to identify affected individuals and finalize the notification list took several months, with notifications being sent out to impacted New Hampshire residents on October 6, 2025.

What Information Was Breached?

The breach involved the following types of personal information:

• Full names
• Social Security numbers
• Driver’s license numbers or state identification numbers

Chalmers has confirmed that these are the only data elements affected by the breach. No other sensitive information was involved in this incident.

What You Can Do

If you were impacted by this data breach, here are the steps you can take to protect your information:

• Credit Monitoring: Chalmers has secured 12 months of complimentary identity monitoring services for affected individuals, provided through Kroll. These services include credit monitoring, fraud consultation, identity theft restoration, and up to $1 million in identity fraud loss reimbursement.
• Activate Credit Monitoring: Use the activation code provided in your notification to sign up for the free credit monitoring services. Make sure to activate your services before the deadline.
• Monitor Your Credit: Regularly check your credit reports and account statements for any signs of unauthorized activity.
• Stay Vigilant: If you notice any suspicious behavior or unauthorized use of your information, report it immediately to the relevant authorities.

Chalmers has also included general best practices for safeguarding your personal information in the notification letter.

File a Data Breach Lawsuit Against Chalmers Insurance Group