No, because the data theft happens entirely within the user's browser after your WAF has finished its job. When a malicious script collects credit card information from your checkout form and sends it to an attacker's server, that outbound request comes directly from the user's browser to the attacker's infrastructure. Your WAF only monitors traffic between users and your servers, so it never sees this malicious data exfiltration happening in real-time.
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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