A3Sec CTEM vs Bitsight 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..

Bitsight Exposure Management: Platform for managing cyber exposure across attack surfaces and supply chains. built by Bitsight. Core capabilities include External Attack Surface Management with automatic digital footprint mapping, Shadow IT and third-party vendor risk discovery, Continuous monitoring of vendor ecosystems including fourth-party vendors..

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