Build Your Own OAuth Provider: Tokens, Scopes, and Consent Screens Done Right
Build a production OAuth 2.1 server from scratch. Master token design, scopes, consent screens, and modern security practices.
Security
Explore threat detection, vulnerability management, and hardening strategies for Linux systems, cloud infrastructure, and software applications.
Anti-CSRF in 2026: SameSite, Double-Submit Cookies, and Origin Checking — What Actually Works
CSRF protection in 2026: SameSite, double-submit cookies, and origin checking. Learn which defenses actually work and how to layer them correctly.
Lock Down Linux: Enforcing File Integrity at the Kernel with IMA/EVM
IMA and EVM provide kernel-level file integrity enforcement on Linux. Learn how to protect critical servers from silent malicious file modifications.
A05 Security Misconfiguration: The Most Common Blunders Developers Still Make in 2026
A05 security misconfiguration is the #1 developer mistake. Learn default credentials, exposed endpoints, and hardening techniques for production security.
OWASP A03 Injection in 2026: SQL, NoSQL, OS Command, and LDAP — Still Breaking Apps Daily
OWASP A03 injection still breaks apps in 2026. Learn how to prevent SQL, NoSQL, OS command, and LDAP injection attacks with proven techniques.
Your DDoS Defense Is Probably Wrong: L3/4 vs L7 Mitigation That Actually Works
Master DDoS defense across all layers. Learn how L3/4 and L7 mitigation work differently, their pros and cons, and how to stack them for real protection.
Project Mirage: Building a Military-Grade Stealth VPN with VLESS + XTLS-Reality
Deploy a military-grade stealth VPN using VLESS + XTLS-Reality to evade censorship and DPI detection. Docker-based, automated, rootless, and hardened.
SPIFFE & SPIRE on VMs and Bare Metal: Stop Hardcoding Secrets in Your Non-K8s Infra
Learn how SPIFFE & SPIRE eliminate hardcoded secrets for service authentication on VMs and bare metal. Automatic identity rotation without Kubernetes overhead.
Stop Writing Sync Scripts: SCIM 2.0 Directory Provisioning End to End
End-to-end SCIM 2.0 guide: replace sync scripts, build compliant servers, configure identity providers, handle attribute mapping, and implement deprovisioning.
AppArmor Profile Authoring: From Learning Mode to Enforce in Production (Without Breaking Things)
Learn AppArmor profile authoring from learning mode through production enforcement. Real-world guide to MAC security without breaking your app.