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.
Security
Security
Secret Management in the Cloud: Vault, AWS Secrets Manager, and Keeping Credentials Safe
A practical guide to managing secrets in cloud infrastructure: comparing HashiCorp Vault, AWS Secrets Manager, and other tools, with real-world patterns for rotation, injection, and zero-trust secret delivery.
Security
Policy as Code: OPA, Kyverno, and How to Enforce Security and Compliance in Kubernetes
Policy as Code lets you define and enforce infrastructure rules the same way you write application code. Here's how OPA and Kyverno work, when to use each, and how to implement guardrails that actually stick.
Security
MFA Authentication Explained: Methods, Protocols, and Implementation Best Practices
Multi-factor authentication explained by a veteran architect. Learn MFA methods, TOTP vs FIDO2, implementation patterns, and how to deploy MFA without destroying user experience.
Networking
What is a VPN and How Does It Work? Tunneling, Encryption, and Real-World Use
Understand how VPNs work under the hood: tunneling protocols, encryption, split tunneling, and real enterprise use cases beyond just hiding your IP address.