# ACID Technologies vs SurfaceDiff: side-by-side comparison (2026)

[ACID Technologies](https://cybersectools.com/tools/acid-technologies) is a commercial [digital risk protection](https://cybersectools.com/categories/drp) solution by [ACID Technologies](https://cybersectools.com/companies/acid-technologies). [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 Digital Risk Protection Solutions for Business](https://cybersectools.com/shortlists/best-drp-solutions) picks ZeroFox Digital Risk Protection, Rapid7 Threat Command, Group-IB Digital Risk Protection Platform and 4 more.

## Side-by-side comparison

| | ACID Technologies | SurfaceDiff |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Digital Risk Protection | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | ACID Technologies | SurfaceDiff |
| Headquarters | – | – |

### Use cases and capabilities

| | ACID Technologies | SurfaceDiff |
|---|---|---|
| Dark Web Monitoring | Yes | – |
| Cyber Threat Intelligence | Yes | – |
| Digital Risk Protection | Yes | – |
| Threat Feed | Yes | – |
| Social Media | Yes | – |
| IOC | Yes | – |
| Alerting | Yes | Yes |
| REST API | Yes | – |
| DNS Security | – | Yes |
| Port Scanning | – | Yes |
| TLS | – | Yes |
| Subdomain Enumeration | – | Yes |
| Network Scanning | – | Yes |
| Security Scanning | – | Yes |
| Reconnaissance | – | Yes |
| Visibility | – | Yes |
| Web Security | – | Yes |

### Core features

**ACID Technologies**

10 features listed. Sign in on the page to see them.

**SurfaceDiff**

9 features listed. Sign in on the page to see them.

### Integrations

**ACID Technologies**

16 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.

## ACID Technologies vs SurfaceDiff FAQ

Common questions when comparing ACID Technologies vs SurfaceDiff for digital risk protection.

### What is the difference between ACID Technologies and SurfaceDiff?

**ACID Technologies**: Dark web monitoring & digital identity protection with real-time threat alerts. Built by ACID Technologies.

**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 ACID Technologies and SurfaceDiff?

**ACID Technologies** is made by ACID Technologies. **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 ACID Technologies a good alternative to SurfaceDiff?

In part. ACID Technologies and SurfaceDiff are not in the same category on CybersecTools. Both cover Alerting. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [ACID Technologies vs ExposeLens](https://cybersectools.com/compare/acid-technologies-vs-exposelens)
- [ACID Technologies vs AdverseMonitor](https://cybersectools.com/compare/acid-technologies-vs-adversemonitor)
- [ACID Technologies vs Q-Feeds Dark Web Search & Monitoring](https://cybersectools.com/compare/acid-technologies-vs-q-feeds-dark-web-search-and-monitoring)
- [SurfaceDiff vs ExposeLens](https://cybersectools.com/compare/exposelens-vs-surfacediff)
- [SurfaceDiff vs AdverseMonitor](https://cybersectools.com/compare/adversemonitor-vs-surfacediff)
- [SurfaceDiff vs Q-Feeds Dark Web Search & Monitoring](https://cybersectools.com/compare/q-feeds-dark-web-search-and-monitoring-vs-surfacediff)

## Alternatives to each

- [See all ACID Technologies alternatives](https://cybersectools.com/alternatives/acid-technologies)
- [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff)

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Source: https://cybersectools.com/compare/acid-technologies-vs-surfacediff

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

More on ACID Technologies 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