# Cytrusst: Attack Surface Management (ASM) vs SurfaceDiff: side-by-side comparison (2026) [Cytrusst: Attack Surface Management (ASM)](https://cybersectools.com/tools/cytrusst-cyber-attack-surface-management) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Cytrusst](https://cybersectools.com/companies/cytrusst). [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. Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | Cytrusst: Attack Surface Management (ASM) | SurfaceDiff | |---|---|---| | Pricing model | Commercial | Commercial | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | Company | Cytrusst | SurfaceDiff | | Headquarters | – | – | ### Use cases and capabilities | | Cytrusst: Attack Surface Management (ASM) | SurfaceDiff | |---|---|---| | Visibility | Yes | Yes | | Security Tools | Yes | – | | DNS Security | – | Yes | | Port Scanning | – | Yes | | TLS | – | Yes | | Subdomain Enumeration | – | Yes | | Network Scanning | – | Yes | | Security Scanning | – | Yes | | Alerting | – | Yes | | Reconnaissance | – | Yes | | Web Security | – | Yes | ### Core features **Cytrusst: Attack Surface Management (ASM)** 5 features listed. Sign in on the page to see them. **SurfaceDiff** 9 features listed. Sign in on the page to see them. ## 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 or a small business. ## Cytrusst: Attack Surface Management (ASM) vs SurfaceDiff FAQ Common questions when comparing Cytrusst: Attack Surface Management (ASM) vs SurfaceDiff for external attack surface management. ### What is the difference between Cytrusst: Attack Surface Management (ASM) and SurfaceDiff? **Cytrusst: Attack Surface Management (ASM)**: Cytrusst ASM is an attack surface management product that helps discover an organization's. Built by Cytrusst. **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 Cytrusst: Attack Surface Management (ASM) and SurfaceDiff? **Cytrusst: Attack Surface Management (ASM)** is made by Cytrusst. **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 Cytrusst: Attack Surface Management (ASM) a good alternative to SurfaceDiff? Often, yes. Cytrusst: Attack Surface Management (ASM) and SurfaceDiff are both External Attack Surface Management products, and both cover Visibility. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Cytrusst: Attack Surface Management (ASM) vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/cytrusst-cyber-attack-surface-management-vs-ddactic-attack-surface-discovery) - [Cytrusst: Attack Surface Management (ASM) vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-cytrusst-cyber-attack-surface-management) - [Cytrusst: Attack Surface Management (ASM) vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/cytrusst-cyber-attack-surface-management-vs-trickest-asm-attack-surface-management) - [SurfaceDiff vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-surfacediff) - [SurfaceDiff vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-surfacediff) - [SurfaceDiff vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/surfacediff-vs-trickest-asm-attack-surface-management) ## Alternatives to each - [See all Cytrusst: Attack Surface Management (ASM) alternatives](https://cybersectools.com/alternatives/cytrusst-cyber-attack-surface-management) - [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff) --- Source: https://cybersectools.com/compare/cytrusst-cyber-attack-surface-management-vs-surfacediff For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/cytrusst-cyber-attack-surface-management.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Cytrusst: Attack Surface Management (ASM) 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