> Cause not stated in filing
Town of Chester, Massachusetts data breach investigation
- Filed
- September 5, 2025
- Regulator
- New Hampshire AG
- People affected
- Not stated
- File status
- Investigation Open
What the filing confirms
- Town of Chester, Massachusetts reported the incident to the New Hampshire Attorney General.
Still unknown
- Which categories of personal information were taken. The filing does not list them.
- How many people were affected. The filing does not give a number.
- What caused the incident beyond the description in the filing.
- How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.
Investigation notes
The Town of Chester, Massachusetts, is a municipal government entity responsible for providing public services and managing administrative records for its residents. As a local government body, the Town typically collects and stores sensitive personal information, including tax records, property assessments, vital statistics, and payroll data for municipal employees. This data breach was officially reported to the New Hampshire Attorney General in 2025, confirming that unauthorized access to certain systems occurred. If you have received a formal data breach notification letter from the Town, it indicates that your personal information may have been included in the files accessed during this incident. We recommend reviewing the letter carefully to understand the specific steps the Town is offering to help protect your identity and financial security.
What our attorneys examine
A cyberattack does not excuse a company from protecting the information it holds. We look at whether Town of Chester, Massachusetts used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in New Hampshire.
Other open files in New Hampshire
- Janome America, Inc.New Hampshire Attorney General · Filed July 31, 2026Count not stated
- Sullivan Environmental ServicesNew Hampshire Attorney General · Filed July 31, 2026Count not stated
- City of New Britain, Inc.New Hampshire Attorney General · Filed July 30, 2026Count not stated
- New Hampshire Housing Yardi’s RentCafeNew Hampshire Attorney General · Filed July 30, 2026Count not stated
- Pocket FMNew Hampshire Attorney General · Filed July 30, 2026Count not stated
- Werth Wealth Management, LLCNew Hampshire Attorney General · Filed July 29, 2026Count not stated
Attorney advertising. An incident file reflects a public regulator filing and our review of it; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.