# Humanize Security Salience vs SurfaceDiff: side-by-side comparison (2026)

[Humanize Security Salience](https://cybersectools.com/tools/humanize-security-salience) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Humanize Security](https://cybersectools.com/companies/humanize-security). [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

| | Humanize Security Salience | SurfaceDiff |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External 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 | Humanize Security | SurfaceDiff |
| Headquarters | – | – |

### Use cases and capabilities

| | Humanize Security Salience | SurfaceDiff |
|---|---|---|
| GraphQL | Yes | – |
| DNS Security | – | Yes |
| Port Scanning | – | Yes |
| TLS | – | Yes |
| Subdomain Enumeration | – | Yes |
| Network Scanning | – | Yes |
| Security Scanning | – | Yes |
| Alerting | – | Yes |
| Reconnaissance | – | Yes |
| Visibility | – | Yes |
| Web Security | – | Yes |

### Core features

**Humanize Security Salience**

8 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 and you want the lower starting price (from $19 per month).

## Humanize Security Salience vs SurfaceDiff FAQ

Common questions when comparing Humanize Security Salience vs SurfaceDiff for external attack surface management.

### What is the difference between Humanize Security Salience and SurfaceDiff?

**Humanize Security Salience**: XASM and cyber risk quantification platform with continuous monitoring. Built by Humanize Security.

**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 Humanize Security Salience and SurfaceDiff?

**Humanize Security Salience** is made by Humanize Security. **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 Humanize Security Salience a good alternative to SurfaceDiff?

Often, yes. Humanize Security Salience and SurfaceDiff are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Humanize Security Salience vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-humanize-security-salience)
- [Humanize Security Salience vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-humanize-security-salience)
- [Humanize Security Salience vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/humanize-security-salience-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 Humanize Security Salience alternatives](https://cybersectools.com/alternatives/humanize-security-salience)
- [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff)

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Source: https://cybersectools.com/compare/humanize-security-salience-vs-surfacediff

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/humanize-security-salience.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Humanize Security Salience 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