It then detects and blocks malicious requests before they reach users or web applications. As a result, WAFs secure business-critical web applications and web servers from zero-day threats and other application-layer attacks. This differs from a standard firewall, which provides a barrier between external and internal network traffic.Ī WAF sits between external users and web applications to analyze all HTTP communication. This increases protection from attacks against web applications, which are stored on a remote server, delivered over the internet through a browser interface, and appealing targets for hackers.Ī WAF protects web applications by targeting Hypertext Transfer Protocol (HTTP) traffic. But the growth of bring your own device (BYOD), public cloud, and Software-as-a-Service (SaaS) solutions means they need to add a web application firewall (WAF) to their security strategy. Traditionally, businesses have protected their data and users with network firewalls, which lack the flexibility and transparency to protect against modern security threats. This is especially the case with firewalls, as web application firewalls and network firewalls protect organizations from different types of attacks. It is therefore essential to understand the importance and differences between WAF security and network firewall security that help in preventing web attacks and broader network attacks. In the modern age of sophisticated cyberattacks and digital innovation, it is vital for businesses to understand the threats they face and what their security defenses protect them from.
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