Nishiyama Seisakusho
thegentlemenThis record tracks a ransomware attack claimed by the thegentlemen group against Nishiyama Seisakusho. 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
nishiyama-ss.co.jp zoominfo.com/c/nishiyama-seisakusho-co-ltd/482975122 Nishiyama Seisakusho Co., Ltd. specializes in the production of precision machinery and components, particularly focusing on high-quality manufacturing since its establishment in 1949. The company offers a range of products including precision gears and mechanical parts, catering to various industries. Their intended clients include businesses in need of reliable and precise mechanical solutions. With a commitment to quality
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.