Comprehensive and Detailed Explanation From Exact Extract:

According to the SCAZT documentation, web application firewalls (WAFs) designed to protect against

zero-day Distributed Denial of Service (DDoS) attacks leverage adaptive and behavioral-based

algorithms. These algorithms dynamically analyze traffic patterns, baseline normal behavior, and

detect anomalies that could indicate novel or zero-day attacks. Unlike signature-based detection,

adaptive and behavioral methods adjust in real-time to emerging threats, learning from ongoing

traffic without relying on pre-defined rules. This proactive approach enables rapid detection and

mitigation of unknown DDoS vectors, critical for cloud and network security where threats evolve

constantly.

Reference: Designing and Implementing Secure Cloud Access for Users and Endpoints (SCAZT) Study

Guide, Section 3: Network and Cloud Security, Pages 75-77.