Software Supply Chain Security

  1. Securing the Build and CI/CD Pipeline
    1. Hardening the Build Environment
      1. Ephemeral and Isolated Build Agents
        1. Disposable Build Environments
          1. Container-Based Builds
            1. Virtual Machine Isolation
              1. Clean State Guarantees
              2. Isolation Techniques
                1. Network Isolation
                  1. File System Isolation
                    1. Process Isolation
                    2. Resource Management
                    3. Securing Build Execution Environments
                      1. Container Security
                        1. Base Image Security
                          1. Runtime Security
                            1. Container Scanning
                            2. Virtual Machine Security
                              1. VM Hardening
                                1. Hypervisor Security
                                  1. Resource Allocation
                                  2. Cloud Build Security
                                  3. Minimizing Build Tool Privileges
                                    1. Principle of Least Privilege for Build Tools
                                      1. Permission Restriction
                                        1. Capability Limitation
                                          1. Access Control
                                          2. Restricting Network and File System Access
                                            1. Network Policies
                                              1. File System Permissions
                                                1. Egress Filtering
                                              2. Build Environment Monitoring
                                                1. Activity Logging
                                                  1. Anomaly Detection
                                                    1. Performance Monitoring
                                                  2. Pipeline Integrity
                                                    1. Securing Pipeline-as-Code Definitions
                                                      1. Version Control of Pipeline Definitions
                                                        1. Pipeline Versioning
                                                          1. Change Tracking
                                                            1. Rollback Capabilities
                                                            2. Code Review for Pipeline Changes
                                                              1. Review Requirements
                                                                1. Approval Workflows
                                                                  1. Security Review
                                                                2. Preventing Unauthorized Pipeline Modifications
                                                                  1. Access Controls for Pipeline Configuration
                                                                    1. Role-Based Permissions
                                                                      1. Administrative Controls
                                                                        1. Separation of Duties
                                                                        2. Change Approval Workflows
                                                                          1. Multi-Stage Approval
                                                                            1. Automated Validation
                                                                              1. Audit Trails
                                                                            2. Protecting Pipeline Secrets and Variables
                                                                              1. Secure Secret Storage
                                                                                1. External Secret Management
                                                                                  1. Encryption at Rest
                                                                                    1. Access Logging
                                                                                    2. Limiting Secret Exposure in Logs
                                                                                      1. Log Sanitization
                                                                                        1. Masked Variables
                                                                                          1. Secure Logging Practices
                                                                                        2. Pipeline Validation
                                                                                          1. Configuration Validation
                                                                                            1. Security Policy Enforcement
                                                                                              1. Compliance Checking
                                                                                            2. Securing Build Tools
                                                                                              1. Compiler and Interpreter Security
                                                                                                1. Trusted Toolchain Sources
                                                                                                  1. Official Distributions
                                                                                                    1. Signature Verification
                                                                                                      1. Supply Chain Validation
                                                                                                      2. Regular Updates and Patching
                                                                                                        1. Update Procedures
                                                                                                          1. Vulnerability Monitoring
                                                                                                            1. Emergency Patching
                                                                                                          2. Static and Dynamic Analysis of Build Scripts
                                                                                                            1. Script Linting and Review
                                                                                                              1. Syntax Validation
                                                                                                                1. Security Analysis
                                                                                                                  1. Best Practice Enforcement
                                                                                                                  2. Runtime Behavior Analysis
                                                                                                                    1. Execution Monitoring
                                                                                                                      1. Anomaly Detection
                                                                                                                        1. Resource Usage Analysis
                                                                                                                      2. Build Tool Configuration
                                                                                                                        1. Secure Defaults
                                                                                                                          1. Configuration Hardening
                                                                                                                            1. Feature Restriction
                                                                                                                          2. Pipeline Security Controls
                                                                                                                            1. Input Validation
                                                                                                                              1. Parameter Validation
                                                                                                                                1. Source Validation
                                                                                                                                  1. Trigger Validation
                                                                                                                                  2. Output Validation
                                                                                                                                    1. Artifact Verification
                                                                                                                                      1. Quality Gates
                                                                                                                                        1. Security Scanning
                                                                                                                                        2. Execution Controls
                                                                                                                                          1. Timeout Management
                                                                                                                                            1. Resource Limits
                                                                                                                                              1. Failure Handling

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                                                                                                                                          5. Managing Dependencies and Third-Party Components

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                                                                                                                                          7. Securing Software Artifacts