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 site:
"XPCSpy Pro is the most powerful monitoring software for office or home use. This easy-to-use monitoring software allows you to monitor and record all activities (include keystrokes, websites, system activities, applications, clipboard information, web-mails, both sides chat conversations, capture screen etc.) on your computer in absolutely stealthy mode. And you can read the activities log report at anytime even if you are not around your computer, because XPCSpy Pro can create reports and send them to the email address you predefined or upload them to other computer via ftp. "