A3Sec CTEM vs RedSeal Continuous Threat Exposure Management (CTEM): 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..

RedSeal Continuous Threat Exposure Management (CTEM): Platform for continuous threat exposure mgmt across hybrid IT/OT/IoT envs. built by RedSeal. Core capabilities include Network visualization and asset mapping, Continuous asset discovery and inventory, Automatic exposure validation through attack simulation..

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. RedSeal Continuous Threat Exposure Management (CTEM) differentiates with Network visualization and asset mapping, Continuous asset discovery and inventory, Automatic exposure validation through attack simulation.

A3Sec CTEM is developed by A3Sec. RedSeal Continuous Threat Exposure Management (CTEM) is developed by RedSeal. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

A3Sec CTEM and RedSeal Continuous Threat Exposure Management (CTEM) serve similar Exposure Management use cases: both are Exposure Management tools. Review the feature comparison above to determine which fits your requirements.