A3Sec CTEM vs Galileo Security: 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..

Galileo Security: Exposure management platform for asset discovery, risk prioritization & remediation. built by Galileo Security. Core capabilities include Continuous digital asset mapping (domains, subdomains, IPs, applications), Shadow IT and forgotten asset discovery, Automated CVE and exploit analysis..

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. Galileo Security differentiates with Continuous digital asset mapping (domains, subdomains, IPs, applications), Shadow IT and forgotten asset discovery, Automated CVE and exploit analysis.

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

A3Sec CTEM and Galileo Security 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.