Web applications are prime targets for cyberattacks like SQL injection, DDoS, and online fraud, yet traditional network defenses can't stop them. Web Application Firewalls (WAFs) are essential for detecting and blocking HTTP-layer attacks in real time. Imperva’s Buyer’s Guide outlines 10 key requirements—from bot mitigation and malware protection to virtual patching and automated policy updates—that organizations should consider when selecting a WAF. The right WAF must protect against evolving threats, integrate seamlessly across cloud and on-premises environments, and scale easily—all while enabling actionable insights and centralized management.

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