FirstWave Open-AudIT is a commercial cyber asset attack surface management solution by FirstWave Cloud Technology. SurfaceDiff is a commercial external attack surface management solution by SurfaceDiff. Features, integrations, deployment and the company behind each one, side by side.
Agentless network discovery and IT asset auditing tool with config tracking.
Continuous external attack surface monitoring that shows what changed between scans.
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Based on what each listing shows: deployment, company size, price and open source.
FirstWave Open-AudIT fits if you need to run it on your own servers.
SurfaceDiff fits if you want a cloud product and you want the lower starting price (from $19 per month).
Common questions when comparing FirstWave Open-AudIT vs SurfaceDiff for cyber asset attack surface management.
FirstWave Open-AudIT: Agentless network discovery and IT asset auditing tool with config tracking. Built by FirstWave Cloud Technology.
SurfaceDiff: Continuous external attack surface monitoring that shows what changed between scans. Built by SurfaceDiff.
The table above shows where their features, integrations, deployment and company size fit differ.
FirstWave Open-AudIT is made by FirstWave Cloud Technology. SurfaceDiff is made by SurfaceDiff. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
In part. FirstWave Open-AudIT and SurfaceDiff are not in the same category on CybersecTools. Both cover Network Scanning. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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