Information Security Principles

  1. Security Design Principles
    1. Principle of Least Privilege
      1. Definition and Rationale
        1. Privilege Minimization
          1. Implementation Strategies
            1. Role-Based Access Control
              1. Just-in-Time Access
                1. Privilege Escalation Controls
                2. Common Implementation Pitfalls
                  1. Monitoring and Enforcement
                  2. Defense in Depth
                    1. Layered Security Model
                      1. Security Layer Types
                        1. Network Layer Security
                          1. Host Layer Security
                            1. Application Layer Security
                              1. Data Layer Security
                              2. Layer Integration
                                1. Examples of Defense Layers
                                  1. Implementation Considerations
                                  2. Separation of Duties
                                    1. Definition and Purpose
                                      1. Role Segregation Strategies
                                        1. Conflict of Interest Prevention
                                          1. Reducing Insider Threats
                                            1. Implementation Challenges
                                            2. Fail-Safe Defaults
                                              1. Secure by Default Configuration
                                                1. Default Deny Policies
                                                  1. Error Handling Security
                                                  2. Complete Mediation
                                                    1. Access Control Enforcement
                                                      1. Security Check Points
                                                        1. Bypass Prevention
                                                        2. Open Design Principle
                                                          1. Security through Transparency
                                                            1. Open vs Closed Design
                                                              1. Peer Review Benefits
                                                                1. Implementation Considerations
                                                                2. Security through Obscurity
                                                                  1. Definition and Limitations
                                                                    1. Appropriate Use Cases
                                                                      1. Criticisms and Risks
                                                                        1. Complementary Security Measures
                                                                        2. Psychological Acceptability
                                                                          1. User-Friendly Security
                                                                            1. Usability Considerations
                                                                              1. Security Awareness Impact
                                                                              2. Work Factor Principle
                                                                                1. Cost of Attack vs Value
                                                                                  1. Economic Security Analysis
                                                                                    1. Resource Allocation

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                                                                                  4. Security Controls Framework

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                                                                                  6. Risk Management in Information Security