Overview

• A cyber incident detected early Monday affected the DuPage County Sheriff’s Office, the 18th Judicial Circuit Court, and the Circuit Court Clerk’s Office.
• In-person court operations and jail functions continue with minimal disruption, ensuring public safety remains unaffected.
• Digital systems at the impacted agencies remain offline, forcing the cancellation of all chancery sales, including foreclosures, for the week.
• The county has enlisted the FBI and Secret Service to investigate the breach, but officials have not identified the cause or perpetrators.
• The incident highlights vulnerabilities in local government systems and underscores the challenges of securing critical public services.