Security & Encryption

Explore SSL/TLS, HSTS, and web security fundamentals.

Articles

What Is an SSL Certificate?Learn what SSL certificates are, how they encrypt web traffic, and why every website needs one.

What Is TLS?Understand TLS, how it encrypts internet traffic, and the differences between TLS versions.

What Is HSTS?Learn how HSTS forces browsers to use HTTPS, preventing downgrade attacks and cookie hijacking.

What Is a Certificate Chain?Understand how certificate chains establish trust from your SSL certificate to a trusted root CA.

What Is Mixed Content?Learn what mixed content is, why browsers block it, and how to fix mixed content warnings on HTTPS sites.