Java Security

  1. Secure Coding Practices
    1. Input Validation
      1. Validation Principles
        1. Trust Boundaries
          1. Input Sanitization
            1. Output Encoding
            2. Validation Techniques
              1. Whitelist Validation
                1. Blacklist Validation
                  1. Regular Expression Validation
                    1. Length and Range Validation
                    2. Common Input Vulnerabilities
                      1. Buffer Overflows
                        1. Format String Attacks
                          1. Path Traversal
                        2. Injection Attack Prevention
                          1. SQL Injection
                            1. Parameterized Queries
                              1. Prepared Statements
                                1. Stored Procedures
                                  1. Input Validation
                                  2. Command Injection
                                    1. Command Execution Risks
                                      1. Safe Alternatives
                                        1. Input Sanitization
                                        2. XML Injection
                                          1. XML External Entity Attacks
                                            1. XML Parser Configuration
                                              1. Schema Validation
                                              2. Script Injection
                                                1. Cross-Site Scripting
                                                  1. Output Encoding
                                                    1. Content Security Policy
                                                  2. Secure Serialization
                                                    1. Serialization Risks
                                                      1. Arbitrary Code Execution
                                                        1. Data Tampering
                                                          1. Information Disclosure
                                                          2. Deserialization Vulnerabilities
                                                            1. Gadget Chains
                                                              1. Object Injection
                                                                1. Type Confusion
                                                                2. Secure Deserialization Practices
                                                                  1. Input Validation
                                                                    1. Deserialization Filters
                                                                      1. Alternative Serialization
                                                                      2. Serialization Alternatives
                                                                        1. JSON Serialization
                                                                          1. XML Serialization
                                                                            1. Protocol Buffers
                                                                          2. Access Control Implementation
                                                                            1. Principle of Least Privilege
                                                                              1. Minimal Permissions
                                                                                1. Role-Based Access
                                                                                  1. Time-Limited Access
                                                                                  2. Authorization Patterns
                                                                                    1. Centralized Authorization
                                                                                      1. Attribute-Based Control
                                                                                        1. Context-Aware Access
                                                                                        2. Access Control Enforcement
                                                                                          1. Method-Level Security
                                                                                            1. Resource-Level Security
                                                                                              1. Data-Level Security
                                                                                            2. Sensitive Data Protection
                                                                                              1. Data Classification
                                                                                                1. Sensitivity Levels
                                                                                                  1. Handling Requirements
                                                                                                    1. Storage Requirements
                                                                                                    2. Cryptographic Protection
                                                                                                      1. Encryption at Rest
                                                                                                        1. Encryption in Transit
                                                                                                          1. Key Management
                                                                                                          2. Memory Management
                                                                                                            1. Sensitive Data Clearing
                                                                                                              1. Garbage Collection Considerations
                                                                                                                1. Memory Dumps
                                                                                                                2. Configuration Security
                                                                                                                  1. External Configuration
                                                                                                                    1. Environment Variables
                                                                                                                      1. Secure Storage
                                                                                                                    2. Error Handling and Logging
                                                                                                                      1. Secure Error Handling
                                                                                                                        1. Information Disclosure Prevention
                                                                                                                          1. Generic Error Messages
                                                                                                                            1. Error Code Mapping
                                                                                                                            2. Logging Security
                                                                                                                              1. Log Injection Prevention
                                                                                                                                1. Sensitive Data Masking
                                                                                                                                  1. Log Integrity
                                                                                                                                  2. Monitoring and Alerting
                                                                                                                                    1. Security Event Detection
                                                                                                                                      1. Anomaly Detection
                                                                                                                                        1. Incident Response
                                                                                                                                      2. Concurrency Security
                                                                                                                                        1. Thread Safety
                                                                                                                                          1. Race Conditions
                                                                                                                                            1. Synchronization Mechanisms
                                                                                                                                              1. Atomic Operations
                                                                                                                                              2. Secure Concurrent Design
                                                                                                                                                1. Immutable Objects
                                                                                                                                                  1. Thread-Local Storage
                                                                                                                                                    1. Lock-Free Programming
                                                                                                                                                    2. Deadlock Prevention
                                                                                                                                                      1. Lock Ordering
                                                                                                                                                        1. Timeout Mechanisms
                                                                                                                                                          1. Deadlock Detection

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                                                                                                                                                      7. Authentication and Authorization

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                                                                                                                                                      9. Modern Java Security Features