A3Sec CTEM vs RunSybil: 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..

RunSybil: AI-driven continuous attack surface assessment and validation platform. built by RunSybil. Core capabilities include Automated asset and endpoint discovery across cloud environments and third-party services, Internal and external application attack surface mapping, AI-powered automated vulnerability testing with context awareness..

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. RunSybil differentiates with Automated asset and endpoint discovery across cloud environments and third-party services, Internal and external application attack surface mapping, AI-powered automated vulnerability testing with context awareness.

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

A3Sec CTEM and RunSybil 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.