A3Sec CTEM vs Onyxia 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..

Onyxia Exposure Management: CTEM platform offering attack surface visibility, AI insights & risk prioritization. built by Onyxia Cyber. Core capabilities include Continuous Threat Exposure Management (CTEM) across multiple security domains, AI agent (Nexa) for natural language querying and predictive insights, Vulnerability management analysis and prioritization..

Both serve the Exposure Management market but differ in approach, feature depth, and target audience.