Which cybersecurity skills should a beginner start learning first?

For beginners taking online classes in cyber security, it's best to start with foundational skills. Begin by understanding basic networking concepts like IP addresses, DNS, and firewalls. Then, learn how operating systems (especially Windows and Linux) handle security. Get comfortable with cybersecurity principles such as confidentiality, integrity, and availability (CIA triad). Hands-on skills like setting up firewalls, using antivirus tools, and recognizing phishing attacks are also crucial. Most Online classes cyber security also cover essential tools like Wireshark and basic command-line usage. Building a strong foundation through guided online learning prepares you for advanced topics like ethical hacking and penetration testing.