SQL Injection

  1. Prevention and Defense Strategies
    1. Primary Defense Mechanisms
      1. Parameterized Queries
        1. Prepared Statement Implementation
          1. Language-Specific Examples
            1. Java PreparedStatement
              1. PHP PDO
                1. Python DB-API
                  1. .NET SqlCommand
                    1. Node.js Parameterized Queries
                    2. Common Implementation Errors
                    3. Stored Procedure Security
                      1. Safe Implementation Practices
                        1. Dynamic SQL Avoidance
                          1. Parameter Validation
                          2. Input Validation Strategies
                            1. Allowlist Validation
                              1. Data Type Enforcement
                                1. Length Restrictions
                                  1. Format Validation
                                    1. Regular Expression Usage
                                    2. Output Encoding
                                      1. Context-Specific Encoding
                                        1. HTML Entity Encoding
                                          1. JavaScript Encoding
                                            1. SQL Identifier Encoding
                                          2. Defense in Depth Approaches
                                            1. Principle of Least Privilege
                                              1. Database User Restrictions
                                                1. Function Access Limitations
                                                  1. Schema-Level Permissions
                                                    1. Connection String Security
                                                    2. Web Application Firewalls
                                                      1. Rule Configuration
                                                        1. Signature-Based Detection
                                                          1. Behavioral Analysis
                                                            1. Bypass Prevention
                                                            2. Database Activity Monitoring
                                                              1. Query Pattern Analysis
                                                                1. Anomaly Detection
                                                                  1. Real-Time Alerting
                                                                  2. Application Security Testing
                                                                    1. Static Code Analysis
                                                                      1. Dynamic Application Testing
                                                                        1. Interactive Application Testing
                                                                          1. Penetration Testing
                                                                          2. Secure Development Practices
                                                                            1. Security Code Reviews
                                                                              1. Threat Modeling
                                                                                1. Security Training
                                                                                  1. Secure Coding Standards

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                                                                              6. Database-Specific SQL Injection

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                                                                              8. SQL Injection Testing Tools