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Comprehensive Guide to AAA: Authentication, Authorization, and Accounting in Modern Systems

Original Post: Understanding Authentication, Authorization, and Accounting (AAA) in Modern Systems | by Sushant Kumar | Sep, 2024

The blog post elaborates on the importance of securing systems in today’s digital landscape through the framework of Authentication, Authorization, and Accounting (AAA). The post covers:

  1. Authentication: Verifying user identity through methods like passwords, security tokens, and biometrics. Strong authentication methods such as multi-factor authentication (MFA) and single sign-on (SSO) are emphasized to mitigate unauthorized access risks.

  2. Authorization: Determining permissions for authenticated users using models like role-based access control (RBAC) and attribute-based access control (ABAC).

  3. Accounting: Recording user actions to track system usage, useful for auditing, troubleshooting, and analyzing usage patterns. Implementations include detailed logs, usage statistics, and billing information.

The AAA framework ensures security, compliance, scalability, and efficiency in managing access control. It is used in various platforms such as network security, web applications, and cloud services.

Go here to read the Original Post

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