Secure Software Development

  1. Secure Implementation and Coding
    1. Secure Coding Principles
      1. Defensive Programming
        1. Anticipating Malicious Input
          1. Defensive Programming Techniques
            1. Fail-Safe Defaults
            2. Input Validation Principles
              1. Validating All Inputs
                1. Client-Side vs. Server-Side Validation
                  1. Validation Strategies
                  2. Error and Exception Handling
                    1. Avoiding Information Leakage
                      1. Secure Error Logging
                        1. Graceful Degradation
                        2. Resource Management
                          1. Secure Resource Allocation
                            1. Resource Release
                              1. Avoiding Resource Leaks
                                1. Memory Management
                              2. Input Validation and Data Sanitization
                                1. Validation Approaches
                                  1. Whitelisting vs. Blacklisting
                                    1. Advantages of Whitelisting
                                      1. Limitations of Blacklisting
                                      2. Data Type Validation
                                        1. Type Checking
                                          1. Length Constraints
                                            1. Range Validation
                                              1. Format Validation
                                              2. Data Normalization
                                                1. Canonicalization
                                                  1. Character Encoding
                                                    1. Preventing Encoding Attacks
                                                    2. Sanitization Techniques
                                                      1. HTML Sanitization
                                                        1. SQL Query Sanitization
                                                          1. File Path Sanitization
                                                        2. Authentication Implementation
                                                          1. Password Security
                                                            1. Secure Password Storage
                                                              1. Password Hashing
                                                                1. Salt Generation and Usage
                                                                  1. Password Policy Enforcement
                                                                  2. Multi-Factor Authentication
                                                                    1. MFA Types
                                                                      1. SMS-Based Authentication
                                                                        1. TOTP Implementation
                                                                          1. Hardware Token Integration
                                                                            1. Biometric Authentication
                                                                            2. Authentication Protocols
                                                                              1. OAuth 2.0
                                                                                1. OpenID Connect
                                                                                  1. SAML
                                                                                    1. Kerberos
                                                                                  2. Session Management
                                                                                    1. Session Security
                                                                                      1. Secure Session Handling
                                                                                        1. Session ID Generation
                                                                                          1. Session Storage
                                                                                            1. Session Transmission
                                                                                            2. Token Management
                                                                                              1. JWT Implementation
                                                                                                1. Token Validation
                                                                                                  1. Token Expiration
                                                                                                    1. Token Revocation
                                                                                                    2. Session Lifecycle
                                                                                                      1. Session Creation
                                                                                                        1. Session Timeout
                                                                                                          1. Session Termination
                                                                                                            1. Concurrent Session Management
                                                                                                          2. Access Control Implementation
                                                                                                            1. Access Control Models
                                                                                                              1. Role-Based Access Control
                                                                                                                1. Role Definition
                                                                                                                  1. Permission Assignment
                                                                                                                    1. Role Hierarchies
                                                                                                                    2. Attribute-Based Access Control
                                                                                                                      1. Policy Definition
                                                                                                                        1. Attribute Management
                                                                                                                          1. Dynamic Access Decisions
                                                                                                                          2. Discretionary Access Control
                                                                                                                            1. Mandatory Access Control
                                                                                                                            2. Authorization Enforcement
                                                                                                                              1. Controller Layer Enforcement
                                                                                                                                1. Business Logic Layer Enforcement
                                                                                                                                  1. Data Layer Enforcement
                                                                                                                                    1. Centralized vs. Decentralized Enforcement
                                                                                                                                    2. Common Access Control Vulnerabilities
                                                                                                                                      1. Insecure Direct Object References
                                                                                                                                        1. Missing Function Level Access Control
                                                                                                                                          1. Privilege Escalation
                                                                                                                                        2. Common Vulnerability Prevention
                                                                                                                                          1. Injection Vulnerabilities
                                                                                                                                            1. SQL Injection
                                                                                                                                              1. Parameterized Queries
                                                                                                                                                1. Stored Procedures
                                                                                                                                                  1. ORM Security
                                                                                                                                                  2. NoSQL Injection
                                                                                                                                                    1. Query Structure Validation
                                                                                                                                                      1. Input Sanitization
                                                                                                                                                      2. OS Command Injection
                                                                                                                                                        1. Input Validation
                                                                                                                                                          1. Safe API Usage
                                                                                                                                                            1. Command Parameterization
                                                                                                                                                            2. LDAP Injection
                                                                                                                                                              1. Input Escaping
                                                                                                                                                                1. Query Parameterization
                                                                                                                                                                2. XPath Injection
                                                                                                                                                                  1. Input Validation
                                                                                                                                                                    1. Parameterized Queries
                                                                                                                                                                  2. Cross-Site Scripting Prevention
                                                                                                                                                                    1. Stored XSS
                                                                                                                                                                      1. Input Validation
                                                                                                                                                                        1. Output Encoding
                                                                                                                                                                        2. Reflected XSS
                                                                                                                                                                          1. Input Sanitization
                                                                                                                                                                            1. Response Encoding
                                                                                                                                                                            2. DOM-based XSS
                                                                                                                                                                              1. Client-Side Validation
                                                                                                                                                                                1. Safe DOM Manipulation
                                                                                                                                                                                2. Content Security Policy
                                                                                                                                                                                  1. CSP Implementation
                                                                                                                                                                                    1. Policy Configuration
                                                                                                                                                                                      1. Nonce and Hash Usage
                                                                                                                                                                                    2. Cross-Site Request Forgery Prevention
                                                                                                                                                                                      1. Anti-CSRF Tokens
                                                                                                                                                                                        1. Token Generation
                                                                                                                                                                                          1. Token Validation
                                                                                                                                                                                          2. SameSite Cookies
                                                                                                                                                                                            1. Browser Support
                                                                                                                                                                                            2. Double Submit Cookies
                                                                                                                                                                                              1. Custom Headers
                                                                                                                                                                                              2. Deserialization Security
                                                                                                                                                                                                1. Safe Serialization Formats
                                                                                                                                                                                                  1. Input Validation
                                                                                                                                                                                                    1. Deserialization Controls
                                                                                                                                                                                                      1. Object Graph Validation
                                                                                                                                                                                                      2. XML Security
                                                                                                                                                                                                        1. XML External Entity Prevention
                                                                                                                                                                                                          1. XML Bomb Prevention
                                                                                                                                                                                                            1. Schema Validation
                                                                                                                                                                                                              1. Secure Parser Configuration
                                                                                                                                                                                                              2. Authentication Vulnerabilities
                                                                                                                                                                                                                1. Broken Authentication Prevention
                                                                                                                                                                                                                  1. Session Fixation Prevention
                                                                                                                                                                                                                    1. Credential Stuffing Protection
                                                                                                                                                                                                                      1. Brute Force Protection
                                                                                                                                                                                                                      2. Configuration Security
                                                                                                                                                                                                                        1. Security Misconfiguration Prevention
                                                                                                                                                                                                                          1. Default Credential Management
                                                                                                                                                                                                                            1. Unnecessary Service Removal
                                                                                                                                                                                                                              1. Security Header Configuration
                                                                                                                                                                                                                              2. Data Exposure Prevention
                                                                                                                                                                                                                                1. Sensitive Data Identification
                                                                                                                                                                                                                                  1. Data Encryption
                                                                                                                                                                                                                                    1. Data Masking
                                                                                                                                                                                                                                      1. Secure Data Transmission
                                                                                                                                                                                                                                      2. Dependency Management
                                                                                                                                                                                                                                        1. Component Vulnerability Management
                                                                                                                                                                                                                                          1. Dependency Scanning
                                                                                                                                                                                                                                            1. Update Management
                                                                                                                                                                                                                                              1. License Compliance
                                                                                                                                                                                                                                              2. Logging and Monitoring
                                                                                                                                                                                                                                                1. Security Event Logging
                                                                                                                                                                                                                                                  1. Log Protection
                                                                                                                                                                                                                                                    1. Monitoring Implementation
                                                                                                                                                                                                                                                      1. Anomaly Detection
                                                                                                                                                                                                                                                    2. Memory Safety
                                                                                                                                                                                                                                                      1. Buffer Overflow Prevention
                                                                                                                                                                                                                                                        1. Bounds Checking
                                                                                                                                                                                                                                                          1. Safe Memory Functions
                                                                                                                                                                                                                                                            1. Stack Protection
                                                                                                                                                                                                                                                            2. Integer Overflow Prevention
                                                                                                                                                                                                                                                              1. Input Validation
                                                                                                                                                                                                                                                                1. Safe Arithmetic Operations
                                                                                                                                                                                                                                                                  1. Overflow Detection
                                                                                                                                                                                                                                                                  2. Format String Security
                                                                                                                                                                                                                                                                    1. Safe String Formatting
                                                                                                                                                                                                                                                                      1. Format String Validation
                                                                                                                                                                                                                                                                        1. Avoiding User-Controlled Formats
                                                                                                                                                                                                                                                                        2. Memory Management
                                                                                                                                                                                                                                                                          1. Dynamic Memory Allocation
                                                                                                                                                                                                                                                                            1. Memory Deallocation
                                                                                                                                                                                                                                                                              1. Use-After-Free Prevention
                                                                                                                                                                                                                                                                                1. Double-Free Prevention
                                                                                                                                                                                                                                                                              2. Output Encoding and Escaping
                                                                                                                                                                                                                                                                                1. Context-Aware Encoding
                                                                                                                                                                                                                                                                                  1. HTML Context Encoding
                                                                                                                                                                                                                                                                                    1. JavaScript Context Encoding
                                                                                                                                                                                                                                                                                      1. URL Context Encoding
                                                                                                                                                                                                                                                                                        1. CSS Context Encoding
                                                                                                                                                                                                                                                                                        2. Encoding Libraries
                                                                                                                                                                                                                                                                                          1. Standard Encoding Functions
                                                                                                                                                                                                                                                                                            1. Framework-Specific Encoders
                                                                                                                                                                                                                                                                                              1. Custom Encoding Implementation
                                                                                                                                                                                                                                                                                              2. XSS Prevention through Encoding
                                                                                                                                                                                                                                                                                                1. Output Encoding Strategies
                                                                                                                                                                                                                                                                                                  1. Template Security
                                                                                                                                                                                                                                                                                                    1. Content Filtering
                                                                                                                                                                                                                                                                                                  2. Cryptographic Implementation
                                                                                                                                                                                                                                                                                                    1. Cryptographic Libraries
                                                                                                                                                                                                                                                                                                      1. Standard Cryptographic Libraries
                                                                                                                                                                                                                                                                                                        1. Library Selection Criteria
                                                                                                                                                                                                                                                                                                          1. Avoiding Custom Cryptography
                                                                                                                                                                                                                                                                                                          2. Encryption Implementation
                                                                                                                                                                                                                                                                                                            1. Symmetric Encryption
                                                                                                                                                                                                                                                                                                              1. Algorithm Selection
                                                                                                                                                                                                                                                                                                                1. Key Management
                                                                                                                                                                                                                                                                                                                  1. Initialization Vectors
                                                                                                                                                                                                                                                                                                                  2. Asymmetric Encryption
                                                                                                                                                                                                                                                                                                                    1. Public Key Infrastructure
                                                                                                                                                                                                                                                                                                                      1. Key Pair Management
                                                                                                                                                                                                                                                                                                                        1. Digital Signatures
                                                                                                                                                                                                                                                                                                                      2. Hashing Implementation
                                                                                                                                                                                                                                                                                                                        1. Secure Hash Functions
                                                                                                                                                                                                                                                                                                                          1. Password Hashing
                                                                                                                                                                                                                                                                                                                            1. Message Authentication Codes
                                                                                                                                                                                                                                                                                                                              1. Hash-Based Message Authentication Code
                                                                                                                                                                                                                                                                                                                              2. Key Management
                                                                                                                                                                                                                                                                                                                                1. Key Generation
                                                                                                                                                                                                                                                                                                                                  1. Key Storage
                                                                                                                                                                                                                                                                                                                                    1. Key Distribution
                                                                                                                                                                                                                                                                                                                                      1. Key Rotation
                                                                                                                                                                                                                                                                                                                                        1. Key Destruction
                                                                                                                                                                                                                                                                                                                                        2. Common Cryptographic Mistakes
                                                                                                                                                                                                                                                                                                                                          1. Hardcoded Keys
                                                                                                                                                                                                                                                                                                                                            1. Weak Random Number Generation
                                                                                                                                                                                                                                                                                                                                              1. Improper Key Storage
                                                                                                                                                                                                                                                                                                                                                1. Algorithm Misuse

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                                                                                                                                                                                                                                                                                                                                            2. Secure Requirements and Design

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                                                                                                                                                                                                                                                                                                                                            4. Security Verification and Testing