Cybersecurity Domain Map v3.1 – Overview & Key Areas

Cybersecurity Domain Map v3.1 – A Comprehensive Breakdown

Cybersecurity is a vast field, and it's easy to get lost in its many facets. Fortunately, frameworks like Henry Jiang’s Cybersecurity Domain Map v3.1 offer a visual and conceptual guide to help practitioners, students, and decision-makers understand the key domains of cybersecurity.

Understanding the Domains

The map is divided into several major domains, each with its own objectives and tools. Here's a quick summary of some of the major areas:

1. Governance and Compliance

• Policies, standards, and procedures
• Compliance frameworks: GDPR, HIPAA, PCI-DSS, etc.
• Risk-informed decision making

2. Risk Management & Assessment

• Enterprise Risk Management (ERM)
• Risk treatment plans and acceptance
• Third-party and supply chain risk

3. Security Architecture & Engineering

• Data protection, DLP, endpoint hygiene
• Cloud security and access control
• Cryptographic controls and key management

4. Application Security

• Secure Software Development Lifecycle (S-SDLC)
• API security, source code reviews, CI/CD integration
• OWASP Top 10 mitigation strategies

5. Security Operations

• SOC, SIEM, SOAR, and incident response
• Red teaming, blue teaming, forensics
• Threat hunting and breach containment

6. Threat Intelligence

• IOC (Indicators of Compromise)
• Contextual threat feeds
• Internal vs external intelligence

7. Career Development

• Certifications, training, self-study
• Mentorship and peer groups
• Ongoing conferences and skill updates

8. User Education

• Security awareness training
• Phishing simulations and tabletop exercises
• Reinforcement learning

Conclusion

Henry Jiang’s Cybersecurity Domain Map v3.1 serves as a powerful framework to visualize and strategize your cybersecurity journey. Whether you're building a team, evaluating gaps, or just learning, this map can guide your understanding and actions.

For more details, visit the original post on LinkedIn by Henry Jiang.