# NetSPI Cyber Asset Attack Surface Management (CAASM) vs SurfaceDiff: side-by-side comparison (2026) [NetSPI Cyber Asset Attack Surface Management (CAASM)](https://cybersectools.com/tools/netspi-cyber-asset-attack-surface-management-caasm) is a commercial [cyber asset attack surface management](https://cybersectools.com/categories/caasm) solution by [NetSPI](https://cybersectools.com/companies/netspi). [SurfaceDiff](https://cybersectools.com/tools/surfacediff) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [SurfaceDiff](https://cybersectools.com/companies/surfacediff). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | NetSPI Cyber Asset Attack Surface Management (CAASM) | SurfaceDiff | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Cyber Asset Attack Surface Management | External Attack Surface Management | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | Company | NetSPI | SurfaceDiff | | Headquarters | – | – | ### Use cases and capabilities | | NetSPI Cyber Asset Attack Surface Management (CAASM) | SurfaceDiff | |---|---|---| | Reconnaissance | Yes | Yes | | DNS Security | – | Yes | | Port Scanning | – | Yes | | TLS | – | Yes | | Subdomain Enumeration | – | Yes | | Network Scanning | – | Yes | | Security Scanning | – | Yes | | Alerting | – | Yes | | Visibility | – | Yes | | Web Security | – | Yes | ### Core features **NetSPI Cyber Asset Attack Surface Management (CAASM)** 10 features listed. Sign in on the page to see them. **SurfaceDiff** 9 features listed. Sign in on the page to see them. ### Integrations **NetSPI Cyber Asset Attack Surface Management (CAASM)** 15 integrations listed. Sign in on the page to see them. **SurfaceDiff** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [SurfaceDiff](https://cybersectools.com/tools/surfacediff) fits if you are a startup. ## NetSPI Cyber Asset Attack Surface Management (CAASM) vs SurfaceDiff FAQ Common questions when comparing NetSPI Cyber Asset Attack Surface Management (CAASM) vs SurfaceDiff for cyber asset attack surface management. ### What is the difference between NetSPI Cyber Asset Attack Surface Management (CAASM) and SurfaceDiff? **NetSPI Cyber Asset Attack Surface Management (CAASM)**: CAASM solution for internal attack surface visibility and asset inventory mgmt, built by NetSPI. **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. ### Who makes NetSPI Cyber Asset Attack Surface Management (CAASM) and SurfaceDiff? **NetSPI Cyber Asset Attack Surface Management (CAASM)** is made by NetSPI. **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. ### Is NetSPI Cyber Asset Attack Surface Management (CAASM) a good alternative to SurfaceDiff? In part. NetSPI Cyber Asset Attack Surface Management (CAASM) and SurfaceDiff are not in the same category on CybersecTools. Both cover Reconnaissance. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [NetSPI Cyber Asset Attack Surface Management (CAASM) vs TrustFour T4 - Detect](https://cybersectools.com/compare/netspi-cyber-asset-attack-surface-management-caasm-vs-trustfour-t4-detect) - [NetSPI Cyber Asset Attack Surface Management (CAASM) vs JupiterOne Cyber Asset Attack Surface Management](https://cybersectools.com/compare/jupiterone-cyber-asset-attack-surface-management-vs-netspi-cyber-asset-attack-surface-management-caasm) - [NetSPI Cyber Asset Attack Surface Management (CAASM) vs Rapid7 Surface Command](https://cybersectools.com/compare/netspi-cyber-asset-attack-surface-management-caasm-vs-rapid7-surface-command) - [SurfaceDiff vs TrustFour T4 - Detect](https://cybersectools.com/compare/surfacediff-vs-trustfour-t4-detect) - [SurfaceDiff vs JupiterOne Cyber Asset Attack Surface Management](https://cybersectools.com/compare/jupiterone-cyber-asset-attack-surface-management-vs-surfacediff) - [SurfaceDiff vs Rapid7 Surface Command](https://cybersectools.com/compare/rapid7-surface-command-vs-surfacediff) ## Alternatives to each - [See all NetSPI Cyber Asset Attack Surface Management (CAASM) alternatives](https://cybersectools.com/alternatives/netspi-cyber-asset-attack-surface-management-caasm) - [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff) --- Source: https://cybersectools.com/compare/netspi-cyber-asset-attack-surface-management-caasm-vs-surfacediff For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/netspi-cyber-asset-attack-surface-management-caasm.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on NetSPI Cyber Asset Attack Surface Management (CAASM) and SurfaceDiff: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md