Building Secure Web Applications: A Complete Guide

Introduction

Security is not optional when building web applications. This guide covers essential security practices.

1. Input Validation

Always validate and sanitize user input on both client and server sides.

2. Authentication

Implement robust authentication using industry-standard libraries.

3. HTTPS Everywhere

Always use HTTPS in production to encrypt data in transit.

4. SQL Injection Prevention

Use parameterized queries or ORMs to prevent SQL injection attacks.

Conclusion

Security is an ongoing process. Regular audits and updates are essential.