Here's a comprehensive article on configuring login banners to inform users about authorization and more... "With hacking on the rise, concerns have also arisen about employees making inappropriate or illegal use of computers in the workplace. Information systems managers need to ensure that all users are informed of the conditions of their at-work computer use. Systems managers can read the riot act to users before they log in. Unix systems have been able to display pre-login messages for a long time, and Linux, as a Unix operating system, has the same abilities. Indeed, Linux's flexibility and ability to run X-based applications from shell scripts make it possible to provide your own custom solutions."
News: Host Security
