WAFs analyze incoming requests to determine if they're malicious, but third-party scripts are delivered from external CDNs and domains that your WAF considers legitimate. When a trusted script source like a popular analytics library gets compromised, your WAF continues to allow those requests because they're coming from a previously approved domain. The WAF has no way to analyze the actual JavaScript code content to determine if it has become malicious since the last time it was delivered.
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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