Security & Auth
Application security, auth models, and defensive controls.
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CSRF and CORS Defense for Modern Web Applications
Web Foundations / Security & Auth 14 min readA deep dive into Cross-Site Request Forgery (CSRF) and Cross-Origin Resource Sharing (CORS)—their threat models, specification-level mechanics, and defense-in-depth implementation patterns for production web applications.
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OAuth 2.0 and OIDC Flows: Authorization Code to PKCE
Web Foundations / Security & Auth 14 min readA comprehensive technical analysis of OAuth 2.0 authorization flows, OpenID Connect (OIDC) identity layer, PKCE security mechanism, and token lifecycle management for secure authentication and authorization implementations.
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Web Application Security Architecture
Web Foundations / Security & Auth 15 min readA defense-in-depth guide to security controls, threat mitigation strategies, and implementation patterns for modern web applications—covering security headers, authentication, cryptography, and the OWASP Top 10:2025.
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Authentication Foundations: Sessions, Tokens, and Trust
Web Foundations / Security & Auth 23 min readAn in-depth technical analysis of AAA frameworks for expert practitioners, exploring modern authentication mechanisms, authorization models, access control paradigms, and their implementation patterns with Node.js examples.
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OWASP Top 10: Web Application Security Risks
Web Foundations / Security & Auth 12 min readThe OWASP Top 10 is a ranked list of the most critical web application security risks, derived from real-world vulnerability data. The 2025 edition analyzed 2.8 million applications with 589 CWE (Common Weakness Enumeration) mappings across 248 categories, making it the definitive baseline for application security priorities.