In the Zscaler Zero Trust Exchange Functional Services Diagram, Antivirus is categorized under Security Services. Security Services include tools and mechanisms that inspect and enforce security on traffic, such as antivirus scanning, firewall controls, and data loss prevention. These services are core components for detecting and mitigating threats across internet-bound traffic.
Reference: Zscaler Digital Transformation Study Guide - Zscaler Zero Trust Exchange Architecture > Functional Services Diagram