What is a Web Application Firewall (WAF)? A WAF or web application firewall helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others.

A WAF provides advanced protection against web application attacks. Learn how a WAF works, its various types, benefits and deployment methods.

WAFs are designed (trained) to detect and protect against dangerous security flaws that are most common within web traffic. This makes them essential for online businesses like retailers, banks, healthcare, and social media, which need to protect sensitive data from unauthorized access.

A web application firewall (WAF) is a specific form of application firewall that filters, monitors, and blocks HTTP traffic to and from a web service.

A web application firewall (WAF) is a security solution that protects web applications from common attacks by monitoring and filtering traffic, blocking malicious traffic entering a web application or unauthorized data leaving the app.

Jan 17, 2025 · A web application firewall, or WAF, is a security tool for monitoring, filtering and blocking incoming and outgoing data packets from a web application or website. WAFs can be host-based, network-based or cloud-based and are typically deployed through reverse proxies and placed in front of an application or website (or multiple apps and sites).

A web application firewall (WAF) protects web applications from a variety of application layer attacks such as cross-site scripting (XSS), SQL injection, and cookie poisoning, among others. Attacks to apps are the leading cause of breaches —they are the gateway to your valuable data.

Jun 24, 2021 · Web Application Firewalls (WAF) help protect web applications from malicious attacks and unwanted internet traffic, including bots, injection and application-layer denial of service (DoS). Establish and Manage rules for avoiding internet threats, including IP addresses, HTTP headers, HTTP body, URI strings, cross-site scripting (XSS) and SQL ...

Apr 8, 2025 · WAF stands for Web Application Firewall. This firewall solution commonly monitors data packets and filters them for the presence of malware or viruses. It performs the data monitoring/filtering for to and from data packets. The WAF tool can be delivered in a cloud, host, and network-based structure.

Jan 18, 2024 · What Is Web Application Firewall (WAF)? A web application firewall (WAF) is a security tool that shields websites and web applications from online threats by monitoring and filtering incoming web traffic. It operates like a protective barrier between the internet and the web application, safeguarding against cyberattacks.