If an enemy company's hacker has Remote access to my computer (RAT), can they spy on me and screen record my activities for proof without me knowing it? Can they screen record all my internet activities (writing emails, dealing with companies, Linkedin chat) in the background (i.e. without my knowledge)?
I use Windows 8.1 PC, and unlike Windows 10, the screen recorder app is not built-in.
PS: If I wanted to screen record my activities on my PC, I would have to download an app and run it. That would show on my PC screen (the download, installation and running). Can the hacker execute all this in the background, me being totally unaware of it?