FRESNO , Calif. ( FOX26 ) — Visalia Unified says it has experienced a Ransomware attack and , as a result , many of its district IT systems are offline . The district says the attack happened Tuesday morning . It has notified local and federal law enforcement agencies . " The district is working with a cyber security business to mitigate the cyber - attack and restore its IT systems back to normal operation , " a news release from the district says . Class continues for students in - person and online , but VUSD families are being asked to check their email for updates . This is not the first time a local school district has been affected by a Ransomware attack . ;