• Threats, Attacks, and Vulnerabilities: Understanding various types of cybersecurity threats and vulnerabilities.
• Technologies and Tools: Using security technologies and tools to secure networks and manage risks.
• Architecture and Design: Principles of secure network architecture and system design.
• Identity and Access Management: Managing access control and identity verification to protect information.
• Risk Management: Identifying and addressing security risks, and understanding policies, laws, and regulations.
• Cryptography and PKI: Applying cryptographic standards and public key infrastructure to secure communications.
• Wireless and Network Security: Securing wireless networks and implementing network security protocols and components.

Before tackling the CompTIA Security+ certification, you should have:

• Basic knowledge of computer and network security concepts.
• Familiarity with IT terminology and infrastructure.
• Ideally, CompTIA Network+ certification or equivalent knowledge, plus two years of experience in IT administration with a security focus.