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Network Security

7 articles

beginner/22 min readMar 11, 2026

What Is a VPN and How It Actually Works

VPNs are everywhere, but most explanations are wrong. Learn what a VPN really does, how the encryption works, and when you actually need one.

beginner/24 min readMar 10, 2026

How to Secure Your WiFi Network in 2026

Your WiFi is the front door to your home network. Learn how attackers exploit weak configurations and exactly how to lock yours down.

beginner/26 min readMar 9, 2026

Encryption Explained: How Your Data Stays Private

Encryption protects everything from your messages to your bank account. Learn how symmetric and asymmetric encryption work, and why it matters.

intermediate/23 min readMar 6, 2026

DDoS Attacks Explained: How They Work and How to Defend

DDoS attacks can take down any website in minutes. Learn the different attack types, how botnets operate, and the layered defenses that actually work.

beginner/22 min readMar 6, 2026

Network Security Fundamentals: Firewalls, VPNs, and Zero Trust

Cut through the noise on firewalls, VPNs, and zero trust — what they actually protect, where they fail, and how to layer them effectively.

beginner/20 min readMar 6, 2026

What Is a Firewall and How Does It Protect You?

Firewalls are your network's first line of defense. Learn how packet filtering, stateful inspection, and next-gen firewalls actually work.

intermediate/22 min readMar 3, 2026

Cloud Security Fundamentals: Protecting Your Infrastructure

The cloud doesn't magically secure your data. Learn the shared responsibility model, the most common cloud misconfigurations, and how to lock down AWS, GCP, and Azure.