A Developer's Guide to Securing Your Web Application in 2024

Security by Design

In an era of sophisticated cyber threats and stringent data protection regulations (including the Kenya Data Protection Act), application security cannot be an afterthought - it must be woven into every line of code from day one.

Critical Security Layers

Input Sanitization & Parameterized Queries: Never trust raw client input. Utilize prepared statements and robust ORMs to eliminate SQL Injection (SQLi) vulnerabilities entirely.

Cryptographic CSRF Tokens: Protect state-changing operations by enforcing unique, cryptographically signed anti-forgery tokens on every HTTP POST and PUT request.

Strict Content Security Policy (CSP): Implement modern CSP, X-Frame-Options, and Strict-Transport-Security (HSTS) headers.

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