Linux Security

  1. Advanced Security Topics
    1. Container Security
      1. Container Fundamentals
        1. Namespace Isolation
          1. Control Groups (cgroups)
            1. Union File Systems
              1. Container Runtime Security
              2. Docker Security
                1. Image Security
                  1. Container Hardening
                    1. Network Isolation
                      1. Volume Security
                        1. Registry Security
                        2. Podman Security
                          1. Rootless Containers
                            1. SELinux Integration
                              1. Security Features
                                1. Multi-user Support
                                2. Kubernetes Security
                                  1. Pod Security Standards
                                    1. Network Policies
                                      1. RBAC Configuration
                                        1. Secret Management
                                        2. Container Scanning
                                          1. Image Vulnerability Scanning
                                            1. Runtime Security Monitoring
                                              1. Compliance Checking
                                            2. Virtualization Security
                                              1. Hypervisor Security
                                                1. KVM Hardening
                                                  1. QEMU Security
                                                    1. Xen Security
                                                      1. VMware Security
                                                      2. Virtual Machine Isolation
                                                        1. Resource Isolation
                                                          1. Network Segmentation
                                                            1. Storage Security
                                                            2. Virtual Infrastructure Security
                                                              1. Management Interface Security
                                                                1. Virtual Network Security
                                                                  1. Backup and Recovery Security
                                                                2. Cryptographic Implementation
                                                                  1. Key Management
                                                                    1. Key Generation
                                                                      1. Key Storage
                                                                        1. Key Distribution
                                                                          1. Key Rotation
                                                                            1. Key Escrow
                                                                            2. OpenSSL Usage
                                                                              1. Certificate Management
                                                                                1. SSL/TLS Configuration
                                                                                  1. Cryptographic Operations
                                                                                    1. Performance Optimization
                                                                                    2. GnuPG Implementation
                                                                                      1. Key Ring Management
                                                                                        1. Web of Trust
                                                                                          1. Automated Operations
                                                                                            1. Integration with Applications
                                                                                            2. Hardware Security Modules
                                                                                              1. HSM Integration
                                                                                                1. PKCS#11 Usage
                                                                                                  1. Hardware Token Support
                                                                                                2. Advanced Authentication
                                                                                                  1. Multi-factor Authentication
                                                                                                    1. TOTP Implementation
                                                                                                      1. HOTP Implementation
                                                                                                        1. Hardware Tokens
                                                                                                          1. Biometric Authentication
                                                                                                          2. Single Sign-On
                                                                                                            1. Kerberos Implementation
                                                                                                              1. LDAP Integration
                                                                                                                1. SAML Configuration
                                                                                                                  1. OAuth/OpenID Connect
                                                                                                                  2. Certificate-based Authentication
                                                                                                                    1. PKI Implementation
                                                                                                                      1. Smart Card Authentication
                                                                                                                        1. Client Certificates
                                                                                                                      2. Incident Response and Forensics
                                                                                                                        1. Incident Preparation
                                                                                                                          1. Response Plan Development
                                                                                                                            1. Tool Preparation
                                                                                                                              1. Team Training
                                                                                                                                1. Communication Procedures
                                                                                                                                2. Incident Detection
                                                                                                                                  1. Monitoring Systems
                                                                                                                                    1. Alert Triage
                                                                                                                                      1. Initial Assessment
                                                                                                                                        1. Escalation Procedures
                                                                                                                                        2. Incident Containment
                                                                                                                                          1. System Isolation
                                                                                                                                            1. Network Segmentation
                                                                                                                                              1. Service Shutdown
                                                                                                                                                1. Evidence Preservation
                                                                                                                                                2. Forensic Analysis
                                                                                                                                                  1. Live System Analysis
                                                                                                                                                    1. Memory Acquisition
                                                                                                                                                      1. Disk Imaging
                                                                                                                                                        1. Network Traffic Analysis
                                                                                                                                                          1. Log Analysis
                                                                                                                                                          2. Recovery and Lessons Learned
                                                                                                                                                            1. System Restoration
                                                                                                                                                              1. Security Improvements
                                                                                                                                                                1. Documentation
                                                                                                                                                                  1. Post-incident Review
                                                                                                                                                                2. Security Automation
                                                                                                                                                                  1. Configuration Management
                                                                                                                                                                    1. Ansible Security Playbooks
                                                                                                                                                                      1. Puppet Security Modules
                                                                                                                                                                        1. Chef Security Cookbooks
                                                                                                                                                                        2. Security Orchestration
                                                                                                                                                                          1. SOAR Platforms
                                                                                                                                                                            1. Automated Response
                                                                                                                                                                              1. Workflow Integration
                                                                                                                                                                              2. Infrastructure as Code Security
                                                                                                                                                                                1. Terraform Security
                                                                                                                                                                                  1. CloudFormation Security
                                                                                                                                                                                    1. Security Policy as Code
                                                                                                                                                                                  2. Emerging Security Technologies
                                                                                                                                                                                    1. Zero Trust Architecture
                                                                                                                                                                                      1. Principles and Implementation
                                                                                                                                                                                        1. Network Segmentation
                                                                                                                                                                                          1. Identity Verification
                                                                                                                                                                                          2. Cloud Security
                                                                                                                                                                                            1. Hybrid Cloud Security
                                                                                                                                                                                              1. Container Orchestration Security
                                                                                                                                                                                                1. Serverless Security
                                                                                                                                                                                                2. IoT Security
                                                                                                                                                                                                  1. Device Hardening
                                                                                                                                                                                                    1. Communication Security
                                                                                                                                                                                                      1. Update Mechanisms

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                                                                                                                                                                                                  7. System Hardening

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                                                                                                                                                                                                  1. Introduction to Linux Security