The CISSP (Certified Information Systems Security Professional) certification covers 8 security domains from the (ISC)² Common Body of Knowledge (CBK):

  1. Security and Risk Management
    • Security concepts and principles
    • Risk management
    • Governance and compliance
    • Policies, standards, and ethics
    • Business continuity and disaster recovery
  2. Asset Security
    • Data classification and ownership
    • Data privacy
    • Data protection
    • Retention and destruction
    • Handling sensitive information
  3. Security Architecture and Engineering
    • Secure design principles
    • Security models
    • Cryptography
    • Physical security
    • Vulnerability management
  4. Communication and Network Security
    • Network architecture
    • Secure communication channels
    • Network protocols
    • Wireless security
    • Network attacks and defenses
  5. Identity and Access Management (IAM)
    • Identification and authentication
    • Authorization
    • Access control models
    • Identity lifecycle management
    • Privileged access management
  6. Security Assessment and Testing
    • Security testing methods
    • Vulnerability assessments
    • Penetration testing
    • Auditing
    • Security monitoring
  7. Security Operations
    • Incident response
    • Logging and monitoring
    • Digital forensics
    • Disaster recovery operations
    • Secure operations practices
  8. Software Development Security
    • Secure software development lifecycle (SDLC)
    • Secure coding practices
    • Software vulnerabilities
    • Application security testing
    • DevSecOps concepts

A common way to remember them:
“Risk, Assets, Architecture, Network, Identity, Testing, Operations, Software”.