Information Security: Principles, Practices, and People
Information Security: Principles, Practices, and People Information security protects what matters—data, systems, and people. Good security starts with clear goals and simple policies that everyone can follow. It is not only a tech job; administrators, users, and managers all play a role. In practice, teams balance risk, cost, and usability every day. Principles guide decisions. The CIA triad, confidentiality, integrity, and availability, remains a solid foundation. Add least privilege, defense in depth, and an explicit incident response plan. When you design controls, ask: who needs access, what actions are allowed, and how will you detect and respond to problems? ...