The latter is more common and often more affordable than its hardware counterpart, and that's precisely what we're going to take a deeper look at. Hardware keylogger typically attaches to the keyboard, while software keylogger runs from a computer and can be installed through an operating system. They are hardware or software tools that track and record keystrokes, the contents of which are usually captured on a remote server and made available to administrators.

Often the only way to get a sense of what's really going on in an office environment, keyloggers provide invaluable professional insight.