Sembcorp Marine - Unpay
cheersThis record tracks a ransomware attack claimed by the cheers group against Sembcorp Marine - Unpay. 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
Sembcorp Marine - Unpay was named by the cheers ransomware group as a targeted organization. It operates in the Services sector. The incident was first observed on June 28, 2022. Breach House catalogues this incident from publicly available leak-site data; no stolen files are hosted here.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.