> Hacienda La Puente Unified School District

Hacienda La Puente Unified School District experienced a sophisticated ransomware attack that may have involved unauthorized access to certain files from February 9, 2024, to April 12, 2024. The incident was discovered on April 12, 2024, and a comprehensive review process was completed on July 31, 2025. The district is notifying individuals whose information may have been potentially impacted.