Salus is a security application which allows the user of a desktop computer to see which files are accessed, when, for how long, which Internet sites are being connected to, who sends e-mail to where, and so on. The program keeps a detailed log of all the activities perfomed. The program can be made invisible to the user, giving access only to authorized persons. It is an ideal security program for companies or the family, where one wants to watch over the activites of a childs compute.