Mobile Security

  1. Mobile Operating System Security Architectures
    1. Android Security Model
      1. Application Sandbox Architecture
        1. User ID Assignment
          1. Process Isolation
            1. File System Separation
              1. Memory Protection
              2. Android Permissions System
                1. Install-Time Permissions
                  1. Runtime Permissions
                    1. Permission Groups
                      1. Custom Permissions
                        1. Permission Enforcement
                        2. Security-Enhanced Linux in Android
                          1. Mandatory Access Controls
                            1. SELinux Policy Framework
                              1. Domain Separation
                                1. Policy Enforcement Points
                                2. Android Verified Boot
                                  1. Boot Image Verification
                                    1. Rollback Protection
                                      1. Device State Verification
                                        1. Recovery Mode Security
                                        2. Google Play Protect
                                          1. App Scanning Mechanisms
                                            1. Threat Detection Algorithms
                                              1. Malware Removal Process
                                                1. Cloud-Based Analysis
                                                2. Android Filesystem Encryption
                                                  1. Full-Disk Encryption
                                                    1. File-Based Encryption
                                                      1. Encryption Key Management
                                                        1. Hardware Security Module Integration
                                                        2. Android Keystore System
                                                          1. Hardware-Backed Keys
                                                            1. Key Generation and Storage
                                                              1. Cryptographic Operations
                                                                1. Key Attestation
                                                              2. iOS Security Model
                                                                1. Secure Enclave
                                                                  1. Hardware-Based Key Management
                                                                    1. Biometric Data Protection
                                                                      1. Secure Boot Process
                                                                        1. Cryptographic Operations
                                                                        2. iOS Sandboxing and App Containment
                                                                          1. App Containerization
                                                                            1. Data Sharing Restrictions
                                                                              1. Inter-App Communication
                                                                                1. System Resource Access
                                                                                2. iOS Data Protection API
                                                                                  1. Data Protection Classes
                                                                                    1. File Protection Levels
                                                                                      1. Key Derivation
                                                                                        1. Access Control Implementation
                                                                                        2. Code Signing and App Review
                                                                                          1. Developer Certificate Management
                                                                                            1. App Store Review Process
                                                                                              1. Code Integrity Verification
                                                                                                1. Runtime Code Signing
                                                                                                2. iOS Keychain Services
                                                                                                  1. Secure Credential Storage
                                                                                                    1. Access Control Lists
                                                                                                      1. Keychain Synchronization
                                                                                                        1. Hardware Security Integration
                                                                                                        2. Biometric Authentication Systems
                                                                                                          1. Face ID Implementation
                                                                                                            1. Touch ID Implementation
                                                                                                              1. Biometric Template Security
                                                                                                                1. Privacy Considerations

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                                                                                                            2. Core Principles of Mobile Platform Security

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                                                                                                            4. Mobile Threats and Vulnerabilities