Lodi Unified School District experienced a network disruption on October 3, 2021, which led to the discovery that certain network segments were accessed between September 20 and October 3, 2021. The incident potentially impacted current and former employees, parents, and volunteers. Affected data included names, Social Security numbers, driver's license numbers, tax ID numbers, medical information, and credentials. The District changed passwords, engaged third-party specialists, and offered credit monitoring. The investigation remains ongoing.