Duo County Telephone Cooperative Corporation, Inc. and Cumberland Cellular, LLC as DUO Broadband data breach

Clerk's notes

On May 15, 2025, DUO Broadband, which operates as Duo County Telephone Cooperative Corporation, Inc. and Cumberland Cellular, LLC, formally reported a data security incident to the New Hampshire Attorney General. This report indicates that unauthorized access to the company's systems occurred.

If you received a data breach notification letter from DUO Broadband, it means that the information involved was likely exposed. Such letters are typically sent to individuals whose data was part of the breach, providing formal notice of the event.

The specific details regarding what information was compromised for you should be outlined in the notification letter you received. It's important to review this document carefully to understand the scope of the incident as it pertains to your data.

As a general protective measure, it is advisable to remain vigilant for any unusual activity across your accounts. This may include monitoring statements and being cautious about unexpected communications that request personal details.

This incident is currently under investigation, and DataBreachCaseSearch.com tracks such filings to provide clarity on their status. Our platform serves as a resource for individuals seeking information about reported data breaches.

If you are among those who received a notification, understanding the implications of your exposed personal information is a key next step. You may wish to consider having your situation reviewed.

This publicly reported event highlights the ongoing need for vigilance regarding personal data security. The filing with the New Hampshire Attorney General signifies a formal acknowledgement of the breach and its potential impact on affected individuals.

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