A WAF (Web Application Firewall) operates at the perimeter, analyzing traffic as it crosses between external networks and your internal network towards your web servers. The browser environment is a separate execution context that happens on your users' devices, completely outside your network perimeter. Once JavaScript code reaches the browser and begins to execute, it's operating in an environment that your WAF has no visibility into or control over. By design, a WAF is ineffective against client-side threats.
Client-side security protects your website visitors from malicious JavaScript attacks that happen directly in their browsers.
The cost of hiring a fraudulent actor extends far beyond wasted salary expenses and in some cases has even bankrupted the victims.
Tech companies and government contractors are prime targets because they handle valuable intellectual property, source code, infrastructure credentials and sensitive data that foreign adversaries want to access.
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