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

DeviceTotal: Agentless AI platform for OT/IoT/network device vuln & risk mgmt. built by DeviceTotal. Core capabilities include Agentless device security posture assessment, AI-driven vulnerability prioritization, CISA KEV (Known Exploited Vulnerabilities) tracking..

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..

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

DeviceTotal differentiates with Agentless device security posture assessment, AI-driven vulnerability prioritization, CISA KEV (Known Exploited Vulnerabilities) tracking. ImmuniWeb® Discovery differentiates with Attack Surface Management, Continuous Security Monitoring, Third-Party Risk Monitoring.

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

DeviceTotal and ImmuniWeb® Discovery serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools. Review the feature comparison above to determine which fits your requirements.