Spyware

Sami installed spyware on Layla's computer.

Spyware can't distinguish between threatening letters and love letters.

The U.N. high commissioner for human rights has issued a warning about the misuse of surveillance technology in the wake of reports spyware was used to hack smartphones of human rights activists, business executives and journalists.

Spyware is malicious software that installs itself on a computer to collect and transfer information about its environment, most often without the user's knowledge.

In the end of the 90s we call^([sic]) this software spyware, there was a term for it, and now we don't use this term anymore because most of the software that we use is spyware […]