Network Security tutorials
Design, segment, and monitor secure networks
Learn how data moves across networks, how firewalls and VPNs protect traffic, and how to analyze packets and detect anomalies—skills used in IT, cloud, and SOC roles.
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Computer Networking for Pentesters
Networking fundamentals tailored for security testing and infrastructure reviews.
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Curated tutorials
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In catalog
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Topic areas
Tutorials in this category
Hand-picked courses to start with, plus additional tutorials from the PentesterWorld catalog.
Computer Networking for Pentesters
Networking fundamentals tailored for security testing and infrastructure reviews.
Includes: Protocols · Diagrams · Security lens
Start tutorialNetwork Security Basics: Segmentation, VPNs, NAT, ACLs and Monitoring
Practical network security architecture with labs and diagrams.
Includes: Diagrams · Labs · Monitoring intro
Start tutorialWhat you'll gain
- Explain segmentation, NAT, ACLs, and VPN security trade-offs
- Configure and reason about firewall policies
- Use packet analysis for troubleshooting and detection
- Connect network concepts to cloud and SOC monitoring tutorials
Skills & topics covered
Topic areas
- Network Security Basics
- Firewall Rules Explained
- VPN Security
- Network Segmentation
- Packet Analysis
- IDS and IPS Basics
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