ImmuniWeb® Discovery vs Reflectiz: Side-by-Side Comparison (2026)

ImmuniWeb® Discovery: ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web. built by ImmuniWeb. Core capabilities include Attack Surface Management, Continuous Security Monitoring, Third-Party Risk Monitoring..

Reflectiz: Agentless web security monitoring for client-side threats and third-party risks. built by Reflectiz. Core capabilities include Agentless remote monitoring with no installation required, Web skimming and Magecart attack detection, Web vendor and third-party script risk mapping..

Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.

ImmuniWeb® Discovery differentiates with Attack Surface Management, Continuous Security Monitoring, Third-Party Risk Monitoring. Reflectiz differentiates with Agentless remote monitoring with no installation required, Web skimming and Magecart attack detection, Web vendor and third-party script risk mapping.

ImmuniWeb® Discovery is developed by ImmuniWeb. Reflectiz is developed by Reflectiz. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

ImmuniWeb® Discovery and Reflectiz serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools. Key differences: ImmuniWeb® Discovery is Commercial while Reflectiz is Free. Review the feature comparison above to determine which fits your requirements.