Data Breach Law Group Investigates the The City of Naperville, Illinois Data Breach
By Data Breach Law Group | Posted on July 14, 2025 · New Hampshire
Miami, FL — Data Breach Law Group is investigating a data breach involving The City of Naperville, Illinois, reported to the New Hampshire Attorney General on July 14, 2025. The firm is reviewing whether affected individuals have legal claims arising from the incident.
The City of Naperville, Illinois is a municipal government entity responsible for providing public services, maintaining infrastructure, and managing administrative records for its residents. In the course of these operations, the city typically collects and stores sensitive personal information, including government identification numbers, tax records, utility account details, and employment-related data for municipal staff. 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, it indicates that your personal information may have been involved in this incident. This notification is intended to provide you with transparency regarding the event and guidance on the necessary steps to protect your identity and financial security.
If you were affected
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.
Did you receive a letter from The City of Naperville, Illinois?
A case review is free and confidential. Tell us about your letter and we will explain your options.