Assetnote Attack Surface Management Tool vs Salience xASM: Side-by-Side Comparison (2026)

Assetnote Attack Surface Management Tool

Mid-market and enterprise security teams drowning in undiscovered external assets will find Assetnote Attack Surface Management Tool's hourly scanning and automated enrichment actually catches the forgotten domains and shadow IT that quarterly pen tests miss. The platform covers NIST ID.AM and ID.RA rigorously, with zero-day research and PoC exploits included rather than sold separately. Skip this if your org needs continuous monitoring of internal infrastructure or if you expect one tool to handle both external discovery and remediation workflow; Assetnote excels at finding and classifying what's out there, not orchestrating fixes across teams.

Salience xASM

Mid-market and enterprise teams drowning in unmanaged external assets will appreciate xASM's ability to map your actual attack surface faster than your own infrastructure teams can confirm what exists. The platform covers external discovery, internal scanning, and API endpoints in one place, plus the honeypot and automated pen testing layers give you behavioral threat data most ASM tools skip entirely. Skip this if you need deep supply chain risk visibility or expect your vendor to have more than four people behind the product; xASM excels at finding what you own, not managing risk from what your third parties own.