Malicious software designed to surreptitiously record and transmit a computer user's private information to someone or something. The judge ruled that the tech company was installing spyware by virtue of the fact that users were at no point warned that their information was being collected.I've only ever downloaded a movie illegally once, and I ended up with such nasty spyware as a result that I never did it again.
spyware
and data miner
n. a kind of malicious software that gathers private information from a personal computer and sends it to another computer. I have a little program that roots out spyware from my computer. It found a data miner lurking among my digital images.