San Dieguito Union High School District

Escondido Union High School District experienced a malware incident between November 3-5, 2023, discovered on November 6, 2023. The malware prevented access to certain files (encryption). An unauthorized actor accessed systems containing information on employees, dependents, and students. No evidence of misuse was found. The district secured systems, notified law enforcement, and offered 12 months of credit monitoring.

San Dieguito Union High School District disclosed that a former student sent a mass email to the student body containing an attachment with student names, directory information, and email account usernames and passwords. The incident was discovered on April 12, 2021. The district launched an internal investigation, notified students to change credentials, and implemented additional security safeguards. No Social Security numbers were exposed.

San Dieguito Union High School District reported a data breach involving its Aeries Student Information System, provided by third-party vendor Aeries Software, Inc. Unauthorized access occurred between April 1, 2019, and January 28, 2020. The breach potentially exposed student and staff PII, including names, SSNs, and dates of birth. The FBI is investigating.

San Dieguito Union High School District reported unauthorized access to certain employees' email accounts between July 1 and July 17, 2019. The district launched a forensic investigation and confirmed that personal information was present in the affected accounts, though it could not determine if the data was actually accessed. Affected individuals were offered 12 months of identity monitoring services through Kroll.