Programs designed to monitor user activity. They may be used with or without consent. Because it is sold commercially, many anti-virus vendors do not detect them. The most common form of a commercial monitoring tool comes in the form of a keystroke logger, which intercepts keystrokes from the keyboard and records them in a log. This can then be sent to whoever installed the software, or keylogger, onto the machine. Some Commercial Monitoring Software may take screenshots or video and send the information to an outbound connection.
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From their website:
"ActMon PRO is the popular all-round monitoring solution. It allows companies and individuals to track the use / abuse of PCs easily and invisibly. ActMon monitors all activities on computer systems including applications, keyboard, passwords, chat, email, and visited websites. Unique features include the ability to log the passwords typed during the Windows 2000/XP login. To avoid tampering of the software, it features a unique file protection that makes the ActMon files truly invisible to every user and every windows software."