A3Sec CTEM vs NSFOCUS Continuous Threat Exposure Management: 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..

NSFOCUS Continuous Threat Exposure Management: Exposure mgmt platform combining EASM, PTaaS, VAPT, BAS & VPT capabilities. built by NSFOCUS. Core capabilities include External Attack Surface Management (EASM), Penetration Testing as a Service (PTaaS), Vulnerability Assessment and Penetration Testing (VAPT)..

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. NSFOCUS Continuous Threat Exposure Management differentiates with External Attack Surface Management (EASM), Penetration Testing as a Service (PTaaS), Vulnerability Assessment and Penetration Testing (VAPT).

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

A3Sec CTEM and NSFOCUS Continuous Threat Exposure Management 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.