A3Sec CTEM vs Cybellum Product Security Platform: 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..

Cybellum Product Security Platform: AI-driven platform for product security: SBOM mgmt, vuln mgmt & compliance. built by Cybellum. Core capabilities include SBOM creation, merging, auto-fix, deduplication, and validation from multiple sources (binaries, source code, uploaded files), Product vulnerability and risk detection, triage, and management with AI-assisted VM CoPilot, Automated evidence creation and policy validation for regulatory compliance submissions..

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