Container Security

  1. Securing the Run Phase
    1. Host Operating System Security
      1. Container-Optimized Operating Systems
        1. CoreOS Container Linux
          1. RancherOS
            1. Bottlerocket
              1. Talos Linux
                1. Security Features and Benefits
                2. Kernel Security Enhancements
                  1. AppArmor
                    1. Profile Creation and Management
                      1. Mandatory Access Control
                        1. Application Confinement
                          1. Profile Enforcement Modes
                          2. SELinux
                            1. SELinux Modes and Policies
                              1. Context-based Access Control
                                1. Policy Development
                                  1. Troubleshooting SELinux Issues
                                  2. Seccomp
                                    1. System Call Filtering
                                      1. Seccomp Profile Creation
                                        1. BPF-based Filtering
                                          1. Performance Considerations
                                          2. grsecurity/PaX
                                            1. Memory Protection Features
                                              1. ASLR Enhancements
                                                1. Stack Protection
                                              2. Host Hardening Practices
                                                1. Service Minimization
                                                  1. Network Service Restrictions
                                                    1. User Account Management
                                                      1. File System Security
                                                        1. Audit Configuration
                                                        2. File System Security
                                                          1. Read-only Root File Systems
                                                            1. Mount Option Security
                                                              1. File System Isolation
                                                                1. Temporary File System Management
                                                              2. Container Runtime Security
                                                                1. Docker Daemon Security
                                                                  1. Socket Permission Management
                                                                    1. Remote API Security
                                                                      1. TLS Configuration
                                                                        1. User Namespace Mapping
                                                                        2. Alternative Runtime Security
                                                                          1. containerd Security Features
                                                                            1. CRI-O Security Model
                                                                              1. Kata Containers Isolation
                                                                                1. gVisor Sandboxing
                                                                                2. Rootless Container Operation
                                                                                  1. User Namespace Configuration
                                                                                    1. Privilege Reduction Benefits
                                                                                      1. Rootless Limitations
                                                                                        1. Implementation Strategies
                                                                                        2. Runtime Configuration Security
                                                                                          1. Security Options Configuration
                                                                                            1. Resource Limitation
                                                                                              1. Capability Management
                                                                                                1. Network Configuration
                                                                                              2. Kubernetes Security
                                                                                                1. Control Plane Security
                                                                                                  1. API Server Security
                                                                                                    1. Authentication Configuration
                                                                                                      1. Authorization Mechanisms
                                                                                                        1. Admission Controllers
                                                                                                          1. API Access Logging
                                                                                                          2. etcd Security
                                                                                                            1. Data Encryption at Rest
                                                                                                              1. Transport Encryption
                                                                                                                1. Access Control
                                                                                                                  1. Backup Security
                                                                                                                  2. Controller Manager Security
                                                                                                                    1. Service Account Token Management
                                                                                                                      1. Certificate Management
                                                                                                                        1. Secure Communication
                                                                                                                        2. Scheduler Security
                                                                                                                          1. Node Selection Security
                                                                                                                            1. Resource Allocation Security
                                                                                                                          2. Node Security
                                                                                                                            1. Kubelet Security
                                                                                                                              1. Authentication and Authorization
                                                                                                                                1. Certificate Management
                                                                                                                                  1. API Access Control
                                                                                                                                    1. Node Isolation
                                                                                                                                    2. Container Runtime Integration
                                                                                                                                      1. CRI Security
                                                                                                                                        1. Runtime Configuration
                                                                                                                                          1. Image Pull Security
                                                                                                                                        2. Identity and Access Management
                                                                                                                                          1. Authentication Mechanisms
                                                                                                                                            1. X.509 Certificates
                                                                                                                                              1. Service Account Tokens
                                                                                                                                                1. OIDC Integration
                                                                                                                                                  1. Webhook Authentication
                                                                                                                                                  2. Authorization Models
                                                                                                                                                    1. Role-Based Access Control (RBAC)
                                                                                                                                                      1. Attribute-Based Access Control (ABAC)
                                                                                                                                                        1. Node Authorization
                                                                                                                                                          1. Webhook Authorization
                                                                                                                                                          2. Service Account Management
                                                                                                                                                            1. Service Account Creation
                                                                                                                                                              1. Token Management
                                                                                                                                                                1. Automount Configuration
                                                                                                                                                                  1. Cross-namespace Access
                                                                                                                                                                2. Pod Security
                                                                                                                                                                  1. Pod Security Standards
                                                                                                                                                                    1. Privileged Profile
                                                                                                                                                                      1. Baseline Profile
                                                                                                                                                                        1. Restricted Profile
                                                                                                                                                                          1. Profile Selection Criteria
                                                                                                                                                                          2. Pod Security Admission
                                                                                                                                                                            1. Admission Controller Configuration
                                                                                                                                                                              1. Enforcement Modes
                                                                                                                                                                                1. Policy Exceptions
                                                                                                                                                                                  1. Migration Strategies
                                                                                                                                                                                  2. Security Contexts
                                                                                                                                                                                    1. User and Group Configuration
                                                                                                                                                                                      1. Capability Management
                                                                                                                                                                                        1. Privilege Escalation Prevention
                                                                                                                                                                                          1. File System Security
                                                                                                                                                                                            1. SELinux/AppArmor Integration
                                                                                                                                                                                          2. Network Security
                                                                                                                                                                                            1. Network Policy Implementation
                                                                                                                                                                                              1. Ingress Rules
                                                                                                                                                                                                1. Egress Rules
                                                                                                                                                                                                  1. Namespace Isolation
                                                                                                                                                                                                    1. Pod Selector Configuration
                                                                                                                                                                                                    2. CNI Security
                                                                                                                                                                                                      1. Network Plugin Security
                                                                                                                                                                                                        1. Encryption in Transit
                                                                                                                                                                                                          1. Network Segmentation
                                                                                                                                                                                                          2. Service Mesh Security
                                                                                                                                                                                                            1. Istio Security Features
                                                                                                                                                                                                              1. Linkerd Security Model
                                                                                                                                                                                                                1. mTLS Configuration
                                                                                                                                                                                                                  1. Traffic Policy Enforcement
                                                                                                                                                                                                                2. Secret and Configuration Management
                                                                                                                                                                                                                  1. Kubernetes Secrets
                                                                                                                                                                                                                    1. Secret Types and Usage
                                                                                                                                                                                                                      1. Encryption at Rest
                                                                                                                                                                                                                        1. Secret Rotation
                                                                                                                                                                                                                          1. Access Control
                                                                                                                                                                                                                          2. ConfigMap Security
                                                                                                                                                                                                                            1. Sensitive Data Handling
                                                                                                                                                                                                                              1. Access Control
                                                                                                                                                                                                                                1. Immutable ConfigMaps
                                                                                                                                                                                                                                2. External Secret Management
                                                                                                                                                                                                                                  1. HashiCorp Vault Integration
                                                                                                                                                                                                                                    1. AWS Secrets Manager
                                                                                                                                                                                                                                      1. Azure Key Vault
                                                                                                                                                                                                                                        1. Google Secret Manager
                                                                                                                                                                                                                                    2. Runtime Threat Detection and Response
                                                                                                                                                                                                                                      1. Behavioral Monitoring
                                                                                                                                                                                                                                        1. Process Execution Monitoring
                                                                                                                                                                                                                                          1. Baseline Process Behavior
                                                                                                                                                                                                                                            1. Anomalous Process Detection
                                                                                                                                                                                                                                              1. Process Tree Analysis
                                                                                                                                                                                                                                                1. Command Line Monitoring
                                                                                                                                                                                                                                                2. File System Monitoring
                                                                                                                                                                                                                                                  1. File Integrity Monitoring (FIM)
                                                                                                                                                                                                                                                    1. Critical File Protection
                                                                                                                                                                                                                                                      1. Change Detection
                                                                                                                                                                                                                                                        1. Access Pattern Analysis
                                                                                                                                                                                                                                                        2. Network Traffic Analysis
                                                                                                                                                                                                                                                          1. Connection Monitoring
                                                                                                                                                                                                                                                            1. Traffic Pattern Analysis
                                                                                                                                                                                                                                                              1. Protocol Anomaly Detection
                                                                                                                                                                                                                                                                1. Data Exfiltration Detection
                                                                                                                                                                                                                                                              2. Anomaly Detection Systems
                                                                                                                                                                                                                                                                1. Machine Learning-based Detection
                                                                                                                                                                                                                                                                  1. Behavioral Baseline Establishment
                                                                                                                                                                                                                                                                    1. Statistical Anomaly Detection
                                                                                                                                                                                                                                                                      1. Threshold-based Alerting
                                                                                                                                                                                                                                                                      2. Container-aware Security Tools
                                                                                                                                                                                                                                                                        1. Falco Runtime Security
                                                                                                                                                                                                                                                                          1. Rule Configuration
                                                                                                                                                                                                                                                                            1. Custom Rule Development
                                                                                                                                                                                                                                                                              1. Alert Management
                                                                                                                                                                                                                                                                                1. Integration with SIEM
                                                                                                                                                                                                                                                                                2. Sysdig Secure
                                                                                                                                                                                                                                                                                  1. Runtime Protection
                                                                                                                                                                                                                                                                                    1. Compliance Monitoring
                                                                                                                                                                                                                                                                                      1. Threat Detection
                                                                                                                                                                                                                                                                                      2. Aqua Security
                                                                                                                                                                                                                                                                                        1. Runtime Protection
                                                                                                                                                                                                                                                                                          1. Vulnerability Management
                                                                                                                                                                                                                                                                                            1. Compliance Automation
                                                                                                                                                                                                                                                                                            2. Twistlock/Prisma Cloud
                                                                                                                                                                                                                                                                                              1. Runtime Defense
                                                                                                                                                                                                                                                                                                1. Vulnerability Management
                                                                                                                                                                                                                                                                                                  1. Compliance Monitoring
                                                                                                                                                                                                                                                                                                2. Incident Response for Containers
                                                                                                                                                                                                                                                                                                  1. Container Isolation Procedures
                                                                                                                                                                                                                                                                                                    1. Network Isolation
                                                                                                                                                                                                                                                                                                      1. Resource Quarantine
                                                                                                                                                                                                                                                                                                        1. Process Termination
                                                                                                                                                                                                                                                                                                          1. Data Preservation
                                                                                                                                                                                                                                                                                                          2. Container Forensics
                                                                                                                                                                                                                                                                                                            1. Memory Dump Analysis
                                                                                                                                                                                                                                                                                                              1. File System Analysis
                                                                                                                                                                                                                                                                                                                1. Network Traffic Analysis
                                                                                                                                                                                                                                                                                                                  1. Log Analysis
                                                                                                                                                                                                                                                                                                                  2. Evidence Collection
                                                                                                                                                                                                                                                                                                                    1. Container State Capture
                                                                                                                                                                                                                                                                                                                      1. Image Analysis
                                                                                                                                                                                                                                                                                                                        1. Runtime Artifact Collection
                                                                                                                                                                                                                                                                                                                          1. Chain of Custody
                                                                                                                                                                                                                                                                                                                          2. Recovery Procedures
                                                                                                                                                                                                                                                                                                                            1. Container Replacement
                                                                                                                                                                                                                                                                                                                              1. Service Restoration
                                                                                                                                                                                                                                                                                                                                1. Data Recovery
                                                                                                                                                                                                                                                                                                                                  1. Lessons Learned

                                                                                                                                                                                                                                                                                                                            Previous

                                                                                                                                                                                                                                                                                                                            3. Securing the Ship Phase

                                                                                                                                                                                                                                                                                                                            Go to top

                                                                                                                                                                                                                                                                                                                            Next

                                                                                                                                                                                                                                                                                                                            5. Advanced Security Topics