# Knocknoc vs SubImage: side-by-side comparison (2026)

[Knocknoc](https://cybersectools.com/tools/knocknoc) is a commercial [microsegmentation](https://cybersectools.com/categories/microsegmentation) solution by [Knocknoc](https://cybersectools.com/companies/knocknoc). [SubImage](https://cybersectools.com/tools/subimage) is a commercial [cloud-native application protection platform](https://cybersectools.com/categories/cnapp) solution by [SubImage](https://cybersectools.com/companies/subimage). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Knocknoc | SubImage |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Microsegmentation | Cloud-Native Application Protection Platform |
| Verified | Verified | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Knocknoc | SubImage |
| Headquarters | – | – |

### Use cases and capabilities

| | Knocknoc | SubImage |
|---|---|---|
| SSO | Yes | – |
| AI Firewall | Yes | – |
| Microsegmentation | Yes | – |
| Network Segmentation | Yes | – |
| Zero Trust Architecture | Yes | – |
| Ransomware Prevention | Yes | – |
| Whitelist | Yes | – |
| Network Protection | Yes | – |
| BYOD | Yes | – |
| Remote Access | Yes | – |
| Cloud Native | – | Yes |
| Graph | – | Yes |
| Misconfiguration | – | Yes |
| Attack Paths | – | Yes |
| Vulnerability Prioritization | – | Yes |
| Open Source | – | Yes |
| Inventory | – | Yes |
| RBAC | – | Yes |
| CVE | – | Yes |
| Visibility | – | Yes |

### Core features

**Knocknoc**

- Network allowlisting based on authentication
- Just-in-time IP address whitelisting
- Zero attack surface until authentication
- Scripting backend for customization
- Protection for network-exposed services
- Control for internal subnets and OT/ICS networks
- Pre-emptive security
- attach surface reduction

**SubImage**

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

### Integrations

**Knocknoc**

- Checkpoint
- Palo Alto
- Fortinet
- Windows
- Linux
- OpenBSD
- HP-UX
- Solaris
- Cloudflare
- Entra

**SubImage**

31 integrations listed. Sign in on the page to see them.

## Knocknoc vs SubImage FAQ

Common questions when comparing Knocknoc vs SubImage for microsegmentation.

### What is the difference between Knocknoc and SubImage?

**Knocknoc**: Network allowlisting solution that orchestrates access controls via identity auth. Built by Knocknoc. Core capabilities include Network allowlisting based on authentication, Just-in-time IP address whitelisting, Zero attack surface until authentication.

**SubImage**: Agentless CNAPP that maps cloud/SaaS/on-prem assets into a queryable security graph. Built by SubImage.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Knocknoc and SubImage?

**Knocknoc** is made by Knocknoc. **SubImage** is made by SubImage. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Knocknoc a good alternative to SubImage?

In part. Knocknoc and SubImage are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Knocknoc vs PRODIC Microsegmentación](https://cybersectools.com/compare/knocknoc-vs-prodic-microsegmentacion)
- [Knocknoc vs Greymatter.io](https://cybersectools.com/compare/greymatterio-vs-knocknoc)
- [Knocknoc vs Asimily Segmentation Orchestration](https://cybersectools.com/compare/asimily-segmentation-orchestration-vs-knocknoc)
- [SubImage vs PRODIC Microsegmentación](https://cybersectools.com/compare/prodic-microsegmentacion-vs-subimage)
- [SubImage vs Greymatter.io](https://cybersectools.com/compare/greymatterio-vs-subimage)
- [SubImage vs Asimily Segmentation Orchestration](https://cybersectools.com/compare/asimily-segmentation-orchestration-vs-subimage)

## Alternatives to each

- [See all Knocknoc alternatives](https://cybersectools.com/alternatives/knocknoc)
- [See all SubImage alternatives](https://cybersectools.com/alternatives/subimage)

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Source: https://cybersectools.com/compare/knocknoc-vs-subimage

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

More on Knocknoc and SubImage: 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