Information Security Principles

  1. The CIA Triad: Core Security Principles
    1. Confidentiality
      1. Definition and Scope
        1. Purpose and Importance
          1. Confidentiality Requirements
            1. Threats to Confidentiality
              1. Eavesdropping and Interception
                1. Network Sniffing
                  1. Wireless Interception
                    1. Communication Monitoring
                    2. Social Engineering Attacks
                      1. Phishing
                        1. Pretexting
                          1. Baiting
                            1. Tailgating
                            2. Data Theft
                              1. Physical Data Theft
                                1. Logical Data Theft
                                  1. Database Breaches
                                  2. Unintentional Disclosure
                                    1. Misdelivery of Information
                                      1. Improper Data Disposal
                                        1. Human Error
                                          1. Misconfigured Systems
                                          2. Insider Threats
                                            1. Malicious Insiders
                                              1. Negligent Insiders
                                            2. Confidentiality Protection Mechanisms
                                              1. Encryption Technologies
                                                1. Symmetric Encryption
                                                  1. Block Ciphers
                                                    1. Stream Ciphers
                                                      1. Key Management
                                                      2. Asymmetric Encryption
                                                        1. Public Key Cryptography
                                                          1. Digital Certificates
                                                            1. Public Key Infrastructure
                                                            2. Hybrid Encryption Systems
                                                            3. Access Control Systems
                                                              1. Identification Methods
                                                                1. Usernames
                                                                  1. ID Cards
                                                                    1. Unique Identifiers
                                                                    2. Authentication Mechanisms
                                                                      1. Password-Based Authentication
                                                                        1. Biometric Authentication
                                                                          1. Token-Based Authentication
                                                                            1. Multi-Factor Authentication
                                                                            2. Authorization Models
                                                                              1. Access Control Lists
                                                                                1. Role-Based Access Control
                                                                                  1. Attribute-Based Access Control
                                                                                    1. Mandatory Access Control
                                                                                  2. Data Classification
                                                                                    1. Classification Levels
                                                                                      1. Public Information
                                                                                        1. Internal Use
                                                                                          1. Confidential
                                                                                            1. Restricted
                                                                                            2. Classification Criteria
                                                                                              1. Data Handling Procedures
                                                                                                1. Labeling and Marking
                                                                                                2. Information Hiding Techniques
                                                                                                  1. Steganography
                                                                                                    1. Image Steganography
                                                                                                      1. Audio Steganography
                                                                                                        1. Text Steganography
                                                                                                        2. Data Masking
                                                                                                          1. Anonymization
                                                                                                      2. Integrity
                                                                                                        1. Definition and Scope
                                                                                                          1. Purpose and Importance
                                                                                                            1. Data Integrity vs System Integrity
                                                                                                              1. Threats to Integrity
                                                                                                                1. Unauthorized Modification
                                                                                                                  1. Insider Threats
                                                                                                                    1. External Attackers
                                                                                                                      1. Privilege Escalation
                                                                                                                      2. Data Corruption
                                                                                                                        1. Hardware Failures
                                                                                                                          1. Software Bugs
                                                                                                                            1. Storage Media Degradation
                                                                                                                            2. Malicious Code Injection
                                                                                                                              1. SQL Injection
                                                                                                                                1. Cross-Site Scripting
                                                                                                                                  1. Command Injection
                                                                                                                                    1. Buffer Overflow
                                                                                                                                    2. Man-in-the-Middle Attacks
                                                                                                                                      1. Session Hijacking
                                                                                                                                        1. Replay Attacks
                                                                                                                                          1. Data Interception
                                                                                                                                          2. System Compromise
                                                                                                                                            1. Malware Infections
                                                                                                                                              1. Rootkits
                                                                                                                                                1. Backdoors
                                                                                                                                              2. Integrity Protection Mechanisms
                                                                                                                                                1. Cryptographic Hash Functions
                                                                                                                                                  1. Hash Algorithm Properties
                                                                                                                                                    1. Common Hash Algorithms
                                                                                                                                                      1. SHA Family
                                                                                                                                                        1. MD5 Limitations
                                                                                                                                                        2. Hash-Based Message Authentication
                                                                                                                                                        3. Digital Signatures
                                                                                                                                                          1. Digital Signature Process
                                                                                                                                                            1. Signature Creation
                                                                                                                                                              1. Signature Verification
                                                                                                                                                                1. Non-Repudiation Properties
                                                                                                                                                                2. Version Control Systems
                                                                                                                                                                  1. Change Tracking
                                                                                                                                                                    1. Rollback Capabilities
                                                                                                                                                                      1. Audit Trails
                                                                                                                                                                      2. Data Validation Techniques
                                                                                                                                                                        1. Input Validation
                                                                                                                                                                          1. Checksums
                                                                                                                                                                            1. Cyclic Redundancy Checks
                                                                                                                                                                              1. File Integrity Monitoring
                                                                                                                                                                              2. Access Controls for Integrity
                                                                                                                                                                                1. File Permissions
                                                                                                                                                                                  1. Database Constraints
                                                                                                                                                                                    1. Write Protection
                                                                                                                                                                                      1. Separation of Duties
                                                                                                                                                                                  2. Availability
                                                                                                                                                                                    1. Definition and Scope
                                                                                                                                                                                      1. Purpose and Importance
                                                                                                                                                                                        1. Service Level Requirements
                                                                                                                                                                                          1. Threats to Availability
                                                                                                                                                                                            1. Denial-of-Service Attacks
                                                                                                                                                                                              1. Network Flood Attacks
                                                                                                                                                                                                1. Application Layer Attacks
                                                                                                                                                                                                  1. Resource Exhaustion
                                                                                                                                                                                                  2. Distributed Denial-of-Service Attacks
                                                                                                                                                                                                    1. Botnet Operations
                                                                                                                                                                                                      1. Amplification Attacks
                                                                                                                                                                                                        1. Coordinated Attacks
                                                                                                                                                                                                        2. System Failures
                                                                                                                                                                                                          1. Hardware Failures
                                                                                                                                                                                                            1. Disk Failures
                                                                                                                                                                                                              1. Memory Failures
                                                                                                                                                                                                                1. Network Equipment Failures
                                                                                                                                                                                                                2. Software Failures
                                                                                                                                                                                                                  1. Application Crashes
                                                                                                                                                                                                                    1. Operating System Failures
                                                                                                                                                                                                                      1. Database Corruption
                                                                                                                                                                                                                    2. Infrastructure Threats
                                                                                                                                                                                                                      1. Power Outages
                                                                                                                                                                                                                        1. Network Connectivity Issues
                                                                                                                                                                                                                          1. Cooling System Failures
                                                                                                                                                                                                                          2. Natural Disasters
                                                                                                                                                                                                                            1. Fire
                                                                                                                                                                                                                              1. Flood
                                                                                                                                                                                                                                1. Earthquake
                                                                                                                                                                                                                                  1. Severe Weather
                                                                                                                                                                                                                                  2. Ransomware Attacks
                                                                                                                                                                                                                                    1. Data Encryption
                                                                                                                                                                                                                                      1. System Lockout
                                                                                                                                                                                                                                        1. Extortion Demands
                                                                                                                                                                                                                                      2. Availability Protection Mechanisms
                                                                                                                                                                                                                                        1. Redundancy Systems
                                                                                                                                                                                                                                          1. Hardware Redundancy
                                                                                                                                                                                                                                            1. Data Redundancy
                                                                                                                                                                                                                                              1. RAID Technologies
                                                                                                                                                                                                                                                1. RAID Levels
                                                                                                                                                                                                                                                  1. RAID Implementation
                                                                                                                                                                                                                                                2. Network Redundancy
                                                                                                                                                                                                                                                3. High-Availability Architecture
                                                                                                                                                                                                                                                  1. Clustering Technologies
                                                                                                                                                                                                                                                    1. Active-Passive Clustering
                                                                                                                                                                                                                                                      1. Active-Active Clustering
                                                                                                                                                                                                                                                      2. Load Balancing
                                                                                                                                                                                                                                                        1. Hardware Load Balancers
                                                                                                                                                                                                                                                          1. Software Load Balancers
                                                                                                                                                                                                                                                            1. Load Distribution Algorithms
                                                                                                                                                                                                                                                            2. Fault Tolerance Design
                                                                                                                                                                                                                                                            3. Backup and Recovery Systems
                                                                                                                                                                                                                                                              1. Backup Strategies
                                                                                                                                                                                                                                                                1. Full Backups
                                                                                                                                                                                                                                                                  1. Incremental Backups
                                                                                                                                                                                                                                                                    1. Differential Backups
                                                                                                                                                                                                                                                                    2. Backup Scheduling
                                                                                                                                                                                                                                                                      1. Backup Storage
                                                                                                                                                                                                                                                                        1. Recovery Procedures
                                                                                                                                                                                                                                                                          1. Recovery Testing
                                                                                                                                                                                                                                                                          2. Disaster Recovery Planning
                                                                                                                                                                                                                                                                            1. Business Impact Analysis
                                                                                                                                                                                                                                                                              1. Recovery Objectives
                                                                                                                                                                                                                                                                                1. Recovery Time Objective
                                                                                                                                                                                                                                                                                  1. Recovery Point Objective
                                                                                                                                                                                                                                                                                  2. Disaster Recovery Sites
                                                                                                                                                                                                                                                                                    1. Recovery Procedures
                                                                                                                                                                                                                                                                                    2. Capacity Planning
                                                                                                                                                                                                                                                                                      1. Performance Monitoring
                                                                                                                                                                                                                                                                                        1. Scalability Planning
                                                                                                                                                                                                                                                                                          1. Resource Allocation

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                                                                                                                                                                                                                                                                                    1. Introduction to Information Security

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                                                                                                                                                                                                                                                                                    3. Extended Security Principles