NetworkingBeginner

Networking Fundamentals for Security

OSI model, TCP/IP, subnetting, routing and switching — the foundation every security professional needs before touching a single exploit.

4.9 rating24,800 students18h42 lessons12 labs
MO

Maya Okonkwo

Lead Instructor

Free

Enroll for Free
  • Full lifetime access
  • Certificate of completion
  • Downloadable resources
  • Bookmarks & note-taking
  • Instructor Q&A access

Module 1: Foundations

  • OSI vs TCP/IP
  • IP Addressing
  • Subnetting Deep Dive

Module 2: Core Protocols

  • DNS & DHCP
  • HTTP/HTTPS Internals
  • Routing Protocols

Module 3: Practical Labs

  • Packet Capture with Wireshark
  • Building a Lab Network

Completion Certificate

Earn a verifiable certificate the moment you finish the final exam.

Skills you'll gain

TCP/IPOSI ModelSubnettingRouting