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Security

4 articles

Encryption, authentication, best practices, and cybersecurity fundamentals.

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beginner • 12 min • Feb 18, 2026

How passwords actually get stolen (it's not how you think) and the unbreakable rules of setting a secure password in 2026.

beginner • 13 min • Feb 12, 2026

Learn how firewalls protect your network, the difference between hardware and software firewalls, and how to configure UFW on Linux.

beginner • 8 min • Feb 11, 2026

What's the difference between HTTP and HTTPS? Learn how TLS encryption protects your data with visual diagrams and real-world examples.

beginner • 12 min • Feb 11, 2026

How Virtual Private Networks (VPNs) encrypt your data, hide your IP, and bypass geo-blocks. The complete visual explanation.