Monterey Mushrooms Hit in Cyberattack

January 9, 2026

INCIDENT

Watsonville, California-based Monterey Mushrooms, LLC suffered a cyberattack in August where attackers made off with personally identifiable information.
Upon initially discovering this August 2 incident, Monterey Mushrooms took measures to secure its IT network, launched an investigation, and contacted law enforcement.
The investigation determined an unauthorized actor accessed files on the Monterey Mushrooms’ computer servers between August 2 and August 7. Monterey Mushrooms reviewed the files involved in this incident and, on August 30, determined they may have contained the name, Social Security number, and in certain limited circumstances, driver’s license number and/or passport number.

Incident Date

August 2, 2025

Estimated Cost

Unknown at this time

Type of Malware

No Malware identified

Threat Source

No threat source identified