An Introduction to Web Application Security

## The Digital Battlefield In today's interconnected world, web application security is more important than ever. This post provides a high-level overview of common vulnerabilities and how to protect against them. ### Common Threats - **Cross-Site Scripting (XSS):** Injecting malicious scripts into a website. - **SQL Injection (SQLi):** Manipulating database queries to access or modify data. - **Cross-Site Request Forgery (CSRF):** Tricking a user into performing an unintended action. ### Best Practices 1. **Validate Input:** Never trust user input. Sanitize and validate all data on both the client and server sides. 2. **Use HTTPS:** Encrypt data in transit to prevent eavesdropping. 3. **Keep Dependencies Updated:** Regularly scan and update your libraries and frameworks to patch known vulnerabilities. ## Stay Vigilant Security is not a one-time task; it's an ongoing process. By staying informed and following best practices, you can build more resilient and secure applications.