Network security: This involves knowledge of configuring and maintaining firewalls, intrusion detection and prevention systems, VPNs, and other network security tools
Operating system security: Understanding the security features and vulnerabilities of different operating systems such as Windows
Application security:Knowledge of secure coding practices, software development methodologies, and tools for testing and analyzing the security of applications
Incident response: The ability to quickly identify and respond to security incidents such as malware infections, data breaches, and denial of service attacks