SUMITOMOCHEMICAL.COM
clopThis record tracks a ransomware attack claimed by the clop group against SUMITOMOCHEMICAL.COM. 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
[AI generated] Sumitomo Chemical Co. Limited is a Japan-based company involved in the petrochemicals, energy, and functional materials sectors. It also deals with construction materials, pharmaceuticals, and agricultural chemicals. Sumitomo Chemical offers a wide range of products and services from raw materials to processed products in each of these areas. Its mission includes resolving societal issues through business activities, implementing sustainable practices, and nurturing a vibrant corporate culture.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.