## What is AAA? - **Authentication, Authorization, Accounting** - Manages user access and activity - Ensures secure and accountable IT environments --- ## Key Principles of AAA 1. **Authentication** 2. **Authorization** 3. **Accounting** --- ## Authentication - Verifies user or device identity - Who they are - Key Measures for Authentication - **Passwords:** Secret codes for user access - **Multi-Factor Authentication (MFA):** Combines multiple verification methods - **Biometric Authentication:** Uses unique physical traits --- ## Authorization - Grants or denies permissions - What they can do - Key Measures for Authorization - **Role-Based Access Control (RBAC):** Permissions based on roles - **Attribute-Based Access Control (ABAC):** Permissions based on user attributes --- ## Accounting - Tracks and records user activities - Maintains audit trails - Essential for monitoring and compliance - Key Measures for Accounting - **Activity Logs:** Record user actions - **Usage Monitoring:** Track resource utilization - **Audit Trails:** Chronological event records --- ## Advanced Measures for Accounting - **Real-Time Monitoring:** Detects anomalies promptly - **Automated Reporting:** Generates detailed user behavior reports - **Integration with SIEM:** Enhances threat detection and response --- ## Why AAA is Critical - **Security:** Prevents unauthorized access and actions - **Compliance:** Meets regulations like GDPR, HIPAA, PCI DSS - **Accountability:** Ensures transparency and traceability of activities --- ## Conclusion - **Foundational Framework:** Ensures secure and accountable access - **Protects Assets:** Safeguards data and systems - **Supports Compliance:** Helps meet regulatory requirements