Web Application Firewall (WAF)

What is a Web Application Firewall?

A Web Application Firewall (WAF) is a security solution that protects web applications by monitoring and filtering HTTP and HTTPS traffic between users and the application. It helps defend against common web-based attacks such as SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF). By applying security rules and analyzing traffic behavior, a WAF blocks malicious requests while allowing legitimate users to access the application. WAFs are essential for safeguarding sensitive data, maintaining application availability, and ensuring secure online services.

Why is a Web Application Firewall Important?

A Web Application Firewall (WAF) is important because it protects web applications from common and sophisticated cyberattacks that target application-layer vulnerabilities. It helps prevent data breaches, service disruptions, and unauthorized access by blocking malicious traffic such as SQL injection and cross-site scripting attacks. A WAF also enhances application availability and performance by filtering harmful requests before they reach the server. Additionally, it supports regulatory compliance and strengthens overall security, making it essential for organizations that rely on web applications to deliver services and handle sensitive data securely.

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