Software piracy is a civil and criminal offense in most countries. Globalscape actively monitors for serial number misuse. While they rarely sue individual users, they will issue DMCA takedowns and can work with ISPs. For businesses, using unlicensed software can trigger audits, fines, and reputational damage.
If you’re looking for a legitimate way to use CuteFTP, here’s what I recommend instead: Globalscape Cuteftp 8 Serial Number Free