Da Guan Technology
thegentlemenThis record tracks a ransomware attack claimed by the thegentlemen group against Da Guan Technology. 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
daguan-tech.com.tw Da Guan Technology serves as the official distributor of two major brands: Mitsubishi Electric (Japan) and Lifegear (Taiwan) — offering a full range of products including heat recovery ventilators (HRV), bathroom warm-air dryers, ultra-quiet exhaust fans, circulation fans, and fresh-air systems. Their primary sales channels include construction companies, interior designers, plumbing distributors, and premium bathroom retailers
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.