# Cisco Duo Device Trust vs Knocknoc: side-by-side comparison (2026)

[Cisco Duo Device Trust](https://cybersectools.com/tools/cisco-duo-device-trust) is a commercial [network access control](https://cybersectools.com/categories/nac) solution by [Duo Security](https://cybersectools.com/companies/duo-security). [Knocknoc](https://cybersectools.com/tools/knocknoc) is a commercial [microsegmentation](https://cybersectools.com/categories/microsegmentation) solution by [Knocknoc](https://cybersectools.com/companies/knocknoc). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Cisco Duo Device Trust | Knocknoc |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Network Access Control | Microsegmentation |
| Verified | No | Verified |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Duo Security | Knocknoc |
| Headquarters | – | – |

### Use cases and capabilities

| | Cisco Duo Device Trust | Knocknoc |
|---|---|---|
| BYOD | Yes | Yes |
| Visibility | Yes | – |
| SSO | – | Yes |
| AI Firewall | – | Yes |
| Microsegmentation | – | Yes |
| Network Segmentation | – | Yes |
| Zero Trust Architecture | – | Yes |
| Ransomware Prevention | – | Yes |
| Whitelist | – | Yes |
| Network Protection | – | Yes |
| Remote Access | – | Yes |

### Core features

**Cisco Duo Device Trust**

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

**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

### Integrations

**Cisco Duo Device Trust**

No integrations listed.

**Knocknoc**

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

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Cisco Duo Device Trust](https://cybersectools.com/tools/cisco-duo-device-trust) fits if you want a cloud product.
- [Knocknoc](https://cybersectools.com/tools/knocknoc) fits if you need both cloud and on-premises options.

## Cisco Duo Device Trust vs Knocknoc FAQ

Common questions when comparing Cisco Duo Device Trust vs Knocknoc for network access control.

### What is the difference between Cisco Duo Device Trust and Knocknoc?

**Cisco Duo Device Trust**: Agentless device verification and trust enforcement for access control. Built by Duo Security.

**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.

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

### Who makes Cisco Duo Device Trust and Knocknoc?

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

### Is Cisco Duo Device Trust a good alternative to Knocknoc?

In part. Cisco Duo Device Trust and Knocknoc are not in the same category on CybersecTools. Both cover BYOD. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Cisco Duo Device Trust vs Nile Secure](https://cybersectools.com/compare/cisco-duo-device-trust-vs-nile-secure)
- [Cisco Duo Device Trust vs Ivanti Policy Secure](https://cybersectools.com/compare/cisco-duo-device-trust-vs-ivanti-policy-secure)
- [Cisco Duo Device Trust vs Cipherbit OpenNAC](https://cybersectools.com/compare/cipherbit-opennac-vs-cisco-duo-device-trust)
- [Knocknoc vs Nile Secure](https://cybersectools.com/compare/knocknoc-vs-nile-secure)
- [Knocknoc vs Ivanti Policy Secure](https://cybersectools.com/compare/ivanti-policy-secure-vs-knocknoc)
- [Knocknoc vs Cipherbit OpenNAC](https://cybersectools.com/compare/cipherbit-opennac-vs-knocknoc)

## Alternatives to each

- [See all Cisco Duo Device Trust alternatives](https://cybersectools.com/alternatives/cisco-duo-device-trust)
- [See all Knocknoc alternatives](https://cybersectools.com/alternatives/knocknoc)

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Source: https://cybersectools.com/compare/cisco-duo-device-trust-vs-knocknoc

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More on Cisco Duo Device Trust and Knocknoc: 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