Massachusetts Municipal Wholesale Electric Company data breach

Clerk's notes

The Massachusetts Municipal Wholesale Electric Company, a public power joint action agency, has officially reported a data breach to the New Hampshire Attorney General, with a filing date of July 21, 2025. This incident involved unauthorized access to the company's digital environment, prompting the issuance of formal data breach notification letters to affected individuals.

While the specific categories of information involved have not been detailed, the company's notification indicates that personal information stored within its systems was impacted. It is essential for anyone who received such a letter to carefully review its contents to understand what data types the company believes were exposed in their individual case.

This security incident is currently under investigation. This means that authorities and the company are working to ascertain the full scope and impact of the unauthorized access. The investigation will help clarify how the breach occurred and what measures are being taken to secure affected systems.

For those who received a notification, it is prudent to follow any recommendations provided by the company, such as enrolling in identity protection services or monitoring accounts for suspicious activity. Remaining vigilant against phishing attempts or unexpected communications is also a key protective step.

If you have received a formal data breach notification letter from the Massachusetts Municipal Wholesale Electric Company, you may wish to understand your potential options. You can request a free case review to discuss the specifics of your situation and explore what steps might be appropriate for you.

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