Many administrators are reaching the conclusion that the worst type of security is one that requires advertisement and firewalls, by their nature, often advertise their presence. This is because the security is not so much compromised by the service provider but through the service user. Today the contrary is also true. Education is probably the best protection, for instance by making sure that users know how and what E-mail and Usenet newsgroups are. Presently the WWW has become the preferred target for the cyber-journalist.
Issues involving pornography and virus infected programs are key targets.
Mechanisms have been implemented which deter and prevent users from reaching sites providing these files. These same mechanisms can be implemented locally so that only certain sites are accessible from the company or the institute computers. In short, security-minded people should learn the weakest points in their network and should educate their users accordingly.