Authentication, Authorization, Accounting, Roles (AAA)

Authentication, Authorization, Accounting, and Roles (AAA) explores the foundational security framework used to control and track access within network and computing environments. It explains how authentication verifies the identity of users or devices, authorization defines what actions they are permitted to perform, and accounting records their activity for auditing and monitoring purposes. The course also introduces role-based access control mechanisms that help enforce structured permissions and improve administrative oversight across systems. Learners gain an understanding of how AAA services strengthen security by ensuring that only verified identities can access resources and that their actions are consistently governed by defined policies. This serves as a critical foundation for building secure, identity-aware network infrastructures and implementing effective access management strategies.