A3Sec CTEM vs Cranium 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..

Cranium Exposure Management: AI-focused exposure management for identifying & mitigating AI system vulns. built by Cranium. Core capabilities include AI attack surface characterization and mapping, Continuous threat intelligence monitoring and analysis, Vulnerability assessment across AI codebases and infrastructure..

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. Cranium Exposure Management differentiates with AI attack surface characterization and mapping, Continuous threat intelligence monitoring and analysis, Vulnerability assessment across AI codebases and infrastructure.

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

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