Synack vs. ZAP by Checkmarx

Synack is a continuous penetration testing platform that combines agentic AI with a global network of vetted security researchers to uncover real, exploitable vulnerabilities across the entire attack surface. Most organizations test only a fraction of what matters. Synack closes that coverage gap—using AI to scale discovery and human expertise to validate real risk.

ZAP by Checkmarx, formerly known as Zed Attack Proxy , is a leading open-source web application security scanner designed to help developers, testers, and security professionals identify vulnerabilities in web applications. Actively maintained by a global community, ZAP offers both automated and manual testing capabilities, making it suitable for users with varying levels of security expertise. Key Features and Functionality: - Automated Security Scanning: ZAP provides simple, single-click automated scanning, enabling users to identify security flaws with ease.