Security
Encryption at Rest vs In Transit: A Complete Guide to Data Protection
Comprehensive guide to encryption at rest and in transit covering implementation, key management, TLS configuration, performance impact, and compliance requirements.
TLS
Security
SSL/TLS Explained: How HTTPS Actually Works Under the Hood
A practitioner's deep dive into how TLS works: the handshake, certificate validation, cipher suites, and what actually happens when your browser connects over HTTPS.
Security
Symmetric vs Asymmetric Encryption: Algorithms, Use Cases, and How They Work Together
Understand the mechanics of symmetric and asymmetric encryption, compare AES vs RSA vs ECC, and learn how TLS combines both for real-world security.
Networking
What is SNI (Server Name Indication)? How TLS Powers Multi-Domain Hosting
Learn how SNI lets one IP address serve TLS certificates for multiple domains, why it was invented, and what happens when clients don't support it.