Understanding Modern Web Security Practices

Web security has evolved significantly over the past decade. Organizations now face a complex threat landscape that requires multi-layered defense strategies.

This article explores current best practices for securing web applications, from input validation to content security policies.

Input Validation

All user input must be validated on the server side. Client-side validation improves UX but provides no security guarantees.

Content Security Policy

CSP headers restrict which resources a browser can load, mitigating XSS and data injection attacks.

A well-configured CSP is one of the most effective defenses against cross-site scripting.