WAFs are designed to analyze HTTP requests coming into your server, but client-side attacks happen after your legitimate content has already been delivered to the user's browser. A malicious script would execute within the browser environment, collecting sensitive data and sending it to attacker-controlled servers. A WAF would not have visibility into that payload by design. Since this activity happens on the client-side after your webserver responds, your WAF never sees the malicious behavior or data theft occurring.
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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