Supervisors must keep in mind the importance of noting any change in mood or behavior of their employees and to respond in a supportive, professional, and non-intrusive way. When employment terminates, security considerations dictate a firm and even-handed response for all employees. Managers should also pay attention to contract staff, being sure to terminate network access codes as soon as contractors or subcontractors leave a project. These precautions are especially important in the run-up to the year 2000 because of the large numbers of external staff currently hired to solve the millennium bug. Finally, once you have a good staff, keep them well trained.
Continuous education benefits everyone.
Perhaps the single most important principle we have found in the security industry is that known vulnerabilities account for most of the security breaches we all face. For this reason, systematic approaches to strengthening security all insist on keeping technical staff up to date on known vulnerabilities. Must Not Be Shelfware Security policies naturally cover many different aspects of operations. Physical security requires adequate safeguards to prevent intrusion into restricted areas. However, continuing to rely on passwords for high-security applications is unwise.