Node.js Security

  1. Secure Coding and Configuration
    1. Input Validation and Sanitization
      1. Data Type Validation
        1. Type Checking
          1. Type Coercion Prevention
            1. Schema Validation
            2. Validation Libraries
              1. Joi Implementation
                1. Zod Usage
                  1. Ajv Configuration
                    1. Custom Validators
                    2. Sanitization Techniques
                      1. HTML Sanitization
                        1. SQL Sanitization
                          1. File Path Sanitization
                          2. Validation Strategies
                            1. Whitelisting Approaches
                              1. Blacklisting Pitfalls
                                1. Regular Expression Validation
                              2. Error Handling and Logging
                                1. Secure Error Responses
                                  1. Information Disclosure Prevention
                                    1. Stack Trace Hiding
                                      1. Custom Error Messages
                                        1. Error Code Standardization
                                        2. Logging Security
                                          1. Structured Logging
                                            1. Sensitive Data Redaction
                                              1. Log Injection Prevention
                                                1. Audit Trail Maintenance
                                                2. Exception Management
                                                  1. Uncaught Exception Handling
                                                    1. Unhandled Promise Rejection
                                                      1. Global Error Handlers
                                                        1. Graceful Degradation
                                                      2. Secrets Management
                                                        1. Secret Storage
                                                          1. Environment Variable Security
                                                            1. Configuration File Protection
                                                              1. In-Memory Secret Handling
                                                              2. Secret Rotation
                                                                1. Automated Rotation
                                                                  1. Zero-Downtime Updates
                                                                    1. Rollback Procedures
                                                                    2. External Secret Stores
                                                                      1. HashiCorp Vault Integration
                                                                        1. AWS Secrets Manager
                                                                          1. Azure Key Vault
                                                                            1. Kubernetes Secrets
                                                                            2. Development Security
                                                                              1. Local Development Secrets
                                                                                1. Version Control Exclusion
                                                                                  1. Secret Scanning Tools
                                                                                2. HTTP Security Headers
                                                                                  1. Helmet.js Configuration
                                                                                    1. Middleware Setup
                                                                                      1. Custom Header Configuration
                                                                                        1. Performance Considerations
                                                                                        2. Security Headers
                                                                                          1. Content-Security-Policy
                                                                                            1. Directive Configuration
                                                                                              1. Nonce Implementation
                                                                                                1. Report-Only Mode
                                                                                                2. Strict-Transport-Security
                                                                                                  1. HSTS Configuration
                                                                                                    1. Preload Lists
                                                                                                      1. Subdomain Inclusion
                                                                                                      2. X-Content-Type-Options
                                                                                                        1. X-Frame-Options
                                                                                                          1. X-XSS-Protection
                                                                                                            1. Referrer-Policy
                                                                                                              1. Permissions-Policy
                                                                                                              2. Header Testing and Validation
                                                                                                                1. Security Header Scanners
                                                                                                                  1. Browser Compatibility
                                                                                                                    1. Performance Impact

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                                                                                                                4. Node.js-Specific Vulnerabilities and Mitigation

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                                                                                                                6. Authentication and Authorization