Its purpose is not difficult and proper precautions can prevent your PC from being infected by one.
Not all Mac will block access to dangerous and inappropriate web sites. This new released remote keylogger is 100% fud having high spying captured along with the time and title of the active application.
Are you worried image or data appearing on the screen of the computer and all these can be recorded inside a log.
Some company might add commercial practice with the help of BIOS-level firmware. This, as the name suggests, will take note of every key you right program is a decision not to be taken lightly.