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Security

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.

16 articles

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Security7 min read

API Security Best Practices: Protecting Your Endpoints in Production

Practical API security best practices — authentication schemes, rate limiting, input validation, output filtering, and the production security controls every API needs.

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Security8 min read

Authentication Security: What to Get Right Before Your First User Logs In

Authentication security fundamentals for web applications — password hashing, session management, MFA implementation, account lockout, and passkeys in 2026.

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Security7 min read

Content Security Policy: Stopping XSS at the Browser Level

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.

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Security6 min read

CSRF Protection: Understanding Cross-Site Request Forgery and Stopping It

How CSRF attacks work, why SameSite cookies are not always sufficient, and the correct implementation of CSRF tokens for forms and single-page applications.

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Security7 min read

Data Encryption in Applications: At Rest, In Transit, and In Memory

A developer's guide to data encryption — encrypting database fields, TLS in transit, key management patterns, and handling sensitive data in memory without leakage.

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Security7 min read

Dependency Vulnerability Management: Keeping Third-Party Code Safe

Manage dependency vulnerabilities effectively — npm audit, Dependabot, Software Bill of Materials, transitive dependencies, and building a sustainable update workflow for your team.

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Security7 min read

Input Validation: The First Line of Defense Against Every Attack

Build a systematic input validation strategy — schema validation with Zod, type coercion, allowlists vs. blocklists, file upload validation, and validation at every layer.

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Security8 min read

OWASP Top 10 Explained: What Developers Actually Need to Understand

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.

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Security7 min read

Penetration Testing for Small Businesses: What It Is and When You Need It

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.

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Security7 min read

Secrets Rotation: Why Rotating Credentials Should Be Automatic

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.

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Security7 min read

Security Headers for Web Applications: The Complete Configuration Guide

Configure HTTP security headers correctly — CSP, HSTS, X-Frame-Options, Permissions-Policy, and every header that protects your web application from common attacks.

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Security7 min read

Security Testing for Web Applications: What to Test and How

A practical guide to security testing web applications — SAST, DAST, manual testing techniques, tools, and building security testing into your development workflow.

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Security7 min read

SQL Injection Prevention: Why It's Still Happening in 2026 and How to Stop It

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.

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Security7 min read

Web Security Fundamentals Every Developer Should Know

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.

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Security7 min read

XSS Prevention: Cross-Site Scripting Still Kills and Here's What to Do About It

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.

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Security12 min read

Modern Authentication in TypeScript: Lucia, Better-Auth, and When to Roll Your Own

A practical comparison of TypeScript authentication approaches in 2026 — Lucia, better-auth, NextAuth, and custom solutions — with clear guidance on when each makes sense.

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