A3Sec CTEM vs Cytidel: 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..

Cytidel: Vulnerability intelligence platform prioritizing CVEs via real-time multi-source data. built by Cytidel. Core capabilities include Dynamic CVE risk rating algorithm using real-time intelligence, Real-time vulnerability trend monitoring across 1,000+ sources, Custom keyword, vendor, and criteria-based alerting with email notifications..

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. Cytidel differentiates with Dynamic CVE risk rating algorithm using real-time intelligence, Real-time vulnerability trend monitoring across 1,000+ sources, Custom keyword, vendor, and criteria-based alerting with email notifications.

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

A3Sec CTEM and Cytidel 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.