A3Sec CTEM vs Nagomi Control: Side-by-Side Comparison (2026)

A3Sec CTEM: Managed CTEM service for continuous attack surface & threat exposure mgmt. built by A3Sec. Core capabilities include Continuous asset discovery and mapping, including unknown assets, with a dynamic inventory, Real-time visibility into all assets and their exposure levels, Automated attack simulations to validate vulnerability exploitability..

Nagomi Control: CTEM execution platform unifying asset, vuln, and control data for exposure mgmt. built by Nagomi Security. Core capabilities include Automated asset inventory and coverage gap analysis across the security stack, Continuous security control effectiveness monitoring and configuration drift detection, Threat intelligence operationalization with live TTP correlation to environment..

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

A3Sec CTEM differentiates with Continuous asset discovery and mapping, including unknown assets, with a dynamic inventory, Real-time visibility into all assets and their exposure levels, Automated attack simulations to validate vulnerability exploitability. Nagomi Control differentiates with Automated asset inventory and coverage gap analysis across the security stack, Continuous security control effectiveness monitoring and configuration drift detection, Threat intelligence operationalization with live TTP correlation to environment.

A3Sec CTEM is developed by A3Sec. Nagomi Control is developed by Nagomi Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

A3Sec CTEM and Nagomi Control serve similar Exposure Management use cases: both are Exposure Management tools, both cover Vulnerability Prioritization. Review the feature comparison above to determine which fits your requirements.