Application security, OWASP best practices, authentication, encryption, and security auditing.
Security isn't a feature you bolt on — it's a property of how the system is built. These articles cover the practical security work that application developers actually need: authentication hardening, input validation, encryption patterns, dependency management, and the OWASP vulnerabilities that still catch experienced teams.
32 articles
Practical API security best practices — authentication schemes, rate limiting, input validation, output filtering, and the production security controls every API needs.
Authentication security fundamentals for web applications — password hashing, session management, MFA implementation, account lockout, and passkeys in 2026.
A deep dive into Content Security Policy implementation — building a strict CSP for modern JavaScript applications, handling violations, and migrating legacy apps without breaking them.
How CSRF attacks work, why SameSite cookies are not always sufficient, and the correct implementation of CSRF tokens for forms and single-page applications.
A developer's guide to data encryption — encrypting database fields, TLS in transit, key management patterns, and handling sensitive data in memory without leakage.
Manage dependency vulnerabilities effectively — npm audit, Dependabot, Software Bill of Materials, transitive dependencies, and building a sustainable update workflow for your team.
Build a systematic input validation strategy — schema validation with Zod, type coercion, allowlists vs. blocklists, file upload validation, and validation at every layer.
A developer-focused explanation of the OWASP Top 10 web application security risks — what each means in practice, why it happens, and how to prevent it in your code.
What penetration testing is, what it costs, how to prepare for one, what the report should contain, and when a small business actually needs a professional pentest.
Why credential rotation matters, what happens when you do not rotate, and how to implement automated secrets rotation for database passwords, API keys, and JWT secrets.
Configure HTTP security headers correctly — CSP, HSTS, X-Frame-Options, Permissions-Policy, and every header that protects your web application from common attacks.
A practical guide to security testing web applications — SAST, DAST, manual testing techniques, tools, and building security testing into your development workflow.
SQL injection still ranks in OWASP Top 10 in 2026. Here is why it keeps happening, what the actual attack looks like, and the specific code patterns that prevent it completely.
The web security fundamentals every developer needs — threat modeling, the attacker's perspective, defense in depth, and the mindset shift that makes secure code second nature.
A developer's guide to XSS prevention — understanding reflected, stored, and DOM-based XSS, how modern frameworks protect you, and where your code is still vulnerable.
A practical comparison of TypeScript authentication approaches in 2026 — Lucia, better-auth, NextAuth, and custom solutions — with clear guidance on when each makes sense.
Encryption protects your data from exposure, but the implementation details matter enormously. Here's how to get encryption right for storage and network traffic.
A vulnerability disclosure program gives security researchers a safe way to report bugs. Here's how to set one up that protects your users and your reputation.
Tenant isolation determines whether a bug, a performance spike, or a security vulnerability in one tenant's environment can affect another. Here's how to get it right.
SOC 2, ISO 27001, HIPAA, PCI DSS — compliance frameworks are confusing. Here's a practical guide to understanding which ones matter for your business.
SOC 2 compliance affects how you build software, not just how you run it. Here's what developers need to understand about controls, evidence, and audit readiness.
When a security incident happens, your response in the first hour determines the outcome. Here's how to build an incident management process that works under pressure.
SAST finds bugs in your code. DAST finds bugs in your running app. Neither is sufficient alone. Here's how to build a testing strategy that actually catches vulnerabilities.
Practical mobile app security practices — secure storage, certificate pinning, biometric auth, API security, and the threats that actually matter in production.
File upload is one of the most dangerous features you can build. Here's how to implement it safely — from validation and storage to serving uploaded content.
RBAC is the access control model most applications need. Here's how to design a role and permission system that's flexible enough to grow without becoming unmanageable.
IAM is where authentication meets authorization. Here's how to design identity systems that scale with your application without becoming a security liability.
Single sign-on sounds simple until you implement it. Here's what enterprise SSO actually involves — protocols, session management, and the edge cases that bite.
Zero trust is not a product you buy. It is an architecture where every request is verified regardless of origin. Here's how to implement it incrementally.
Privacy regulations affect how you build software, not just how you write privacy policies. Here's what developers need to understand about GDPR, CCPA, and more.
OAuth 2.0 is the standard for API authorization, but getting the implementation right requires understanding flows, token management, and common pitfalls.
Audit trails aren't optional in enterprise software. Here's how to design an audit system that satisfies compliance requirements without destroying application performance.