Skill & Tool Guides
Network Security Fundamentals
Network security fundamentals — TCP/IP, firewalls, IDS/IPS, VPNs, and network defense concepts for cybersecurity beginners.
Core Concepts
OSI model, TCP/IP, subnetting, routing, DNS, firewalls, NAT, VPNs, and network segmentation form the foundation of all security work.
Defense Tools
Firewalls (iptables, pfSense), IDS/IPS (Snort, Suricata), network monitoring, and VLAN segmentation protect network infrastructure.
Training
Cyfotok Linux security and ethical hacking courses cover network security from both offensive scanning and defensive monitoring perspectives.
Related Cyfotok Courses
Frequently Asked Questions
Cyfotok Academy offers live online cybersecurity training with hands-on labs, mentor support in English and Tamil, and placement guidance — designed to build practical skills for network security and related careers in India.
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Turn knowledge into skills with hands-on labs, live classes, and placement support from Cyfotok Academy.