Testima Engineering
killsecThis record tracks a ransomware attack claimed by the killsec group against Testima Engineering. 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
Testima Engineering is listed as a victim of the killsec ransomware operation. It operates in the Manufacturing / Engineering sector. The incident was first observed on April 01, 2025. This record is maintained by Breach House as part of its ongoing monitoring of public ransomware leak sites.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.