San Jose Country Club
medusaThis record tracks a ransomware attack claimed by the medusa group against San Jose Country Club. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAPWindow Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.
Attack Summary
San Jose Country Club is a premier family-friendly private golf club located in Northern California, established in 1899 and known for its rich tradition. The club offers year-round golf, dining options, and various social activities, making it a sought-after destination for members in the Bay Area. It features a newly remodeled clubhouse and event facilities for hosting weddings and special events. Catering to golf enthusiasts and families alike, the club emphasizes superior service and exclusive dining experiences. company is headquartered in 15571 Alum Rock Ave San Jose, CA 95127 The total amount of data leakage is 117.5 GB
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.