In a recent security challenge, Vercel's Web Application Firewall (WAF) faced over 6 million exploit attempts. Throughout the challenge, Vercel paid out $1 million in bounty rewards to security researchers who reported vulnerabilities. The WAF improved significantly during this time, making it increasingly difficult to bypass. As a result, later successful bypasses required advanced techniques, specifically the abuse of JavaScript and Next.js internals. This showcases the complexity and evolving nature of modern WAF protections and the innovative methods that security experts must employ to test these defenses. Vercel's commitment to security, demonstrated by their substantial bounty payments and robust WAF improvements, highlights the importance of continuous adaptation to new attack vectors.
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