City of Naperville Notifies About Data Security Incident Filed in July 2025

The City of Naperville, located in Indiana, has publicly filed notice of a data security incident. This official report was submitted on July 10, 2025, concerning an event that was identified as occurring on May 28, 2025. The specific nature of how the incident took place remains unspecified in the available public records.

According to the filing, an unauthorized event potentially exposed personal information held by the City of Naperville. While the exact types of data involved have not been detailed in the public record, individuals who receive direct notification from the City will be provided with specific information relevant to their situation. The City has indicated that an investigation into the matter is currently underway.

For those who receive an official notification from the City of Naperville, it is important to carefully read all provided materials. These communications typically outline what personal information was involved and any recommended steps to take. The notice serves as the primary source of detailed information about your specific exposure.

In situations involving potential data exposure, it is generally recommended to remain vigilant for any unusual activity. This includes reviewing account statements, credit reports, and other financial records for unfamiliar transactions or inquiries. You may also consider placing a fraud alert or security freeze on your credit files, which can help prevent new accounts from being opened in your name.

This information is compiled from public data breach filings made with regulatory bodies. The City of Naperville continues its investigation into the May 2025 incident, and further details may become available as their inquiry progresses. This registry serves to provide factual summaries of such reports.