# Cisco Duo Passwordless vs ESET Secure Authentication: side-by-side comparison (2026)

[Cisco Duo Passwordless](https://cybersectools.com/tools/duo-passwordless) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [Duo Security](https://cybersectools.com/companies/duo-security). [ESET Secure Authentication](https://cybersectools.com/tools/eset-secure-authentication) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [ESET](https://cybersectools.com/companies/eset). Features, integrations, deployment and the company behind each one, side by side.

## Our take

What our shortlists say about the one we picked.

### [Cisco Duo Passwordless](https://cybersectools.com/tools/duo-passwordless)

Best for: Hybrid estates moving from MFA to passwordless in stages

We did not find enough recent first-hand reviews of this product to summarize what customers say.

From [Best MFA and Passwordless Solutions for Business](https://cybersectools.com/shortlists/best-mfa-passwordless-solutions), Fall 2026.

Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about).

Need the answer fast? [Best MFA and Passwordless Solutions for Business](https://cybersectools.com/shortlists/best-mfa-passwordless-solutions) picks Okta Adaptive MFA, Cisco Duo Passwordless, Beyond Identity Phishing-Resistant MFA and 4 more.

## Side-by-side comparison

| | Cisco Duo Passwordless | ESET Secure Authentication |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | MFA & Passwordless | MFA & Passwordless |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Duo Security | ESET |
| Headquarters | – | – |

### Use cases and capabilities

| | Cisco Duo Passwordless | ESET Secure Authentication |
|---|---|---|
| Authentication | Yes | Yes |
| MFA | Yes | Yes |
| Multi Tenancy | – | Yes |

### Core features

**Cisco Duo Passwordless**

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

**ESET Secure Authentication**

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

### Integrations

**Cisco Duo Passwordless**

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

**ESET Secure Authentication**

2 integrations 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.

- [Cisco Duo Passwordless](https://cybersectools.com/tools/duo-passwordless) fits if you are a startup.

## Cisco Duo Passwordless vs ESET Secure Authentication FAQ

Common questions when comparing Cisco Duo Passwordless vs ESET Secure Authentication for MFA & passwordless.

### What is the difference between Cisco Duo Passwordless and ESET Secure Authentication?

**Cisco Duo Passwordless**: Passwordless authentication solution using biometrics, security keys, and MFA. Built by Duo Security.

**ESET Secure Authentication**: Mobile-based MFA solution for protecting against weak passwords & unauthorized access. Built by ESET.

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

### Who makes Cisco Duo Passwordless and ESET Secure Authentication?

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

### Is Cisco Duo Passwordless a good alternative to ESET Secure Authentication?

Often, yes. Cisco Duo Passwordless and ESET Secure Authentication are both MFA & Passwordless products, and both cover Authentication, MFA. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Cisco Duo Passwordless vs LoginID Passkey & MFA Authentication](https://cybersectools.com/compare/duo-passwordless-vs-loginid-passkey-and-mfa-authentication)
- [Cisco Duo Passwordless vs UserLock](https://cybersectools.com/compare/duo-passwordless-vs-userlock)
- [Cisco Duo Passwordless vs Deepnet Security OTP](https://cybersectools.com/compare/deepnet-security-otp-vs-duo-passwordless)
- [ESET Secure Authentication vs LoginID Passkey & MFA Authentication](https://cybersectools.com/compare/eset-secure-authentication-vs-loginid-passkey-and-mfa-authentication)
- [ESET Secure Authentication vs UserLock](https://cybersectools.com/compare/eset-secure-authentication-vs-userlock)
- [ESET Secure Authentication vs Deepnet Security OTP](https://cybersectools.com/compare/deepnet-security-otp-vs-eset-secure-authentication)

## Alternatives to each

- [See all Cisco Duo Passwordless alternatives](https://cybersectools.com/alternatives/duo-passwordless)
- [See all ESET Secure Authentication alternatives](https://cybersectools.com/alternatives/eset-secure-authentication)

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Source: https://cybersectools.com/compare/duo-passwordless-vs-eset-secure-authentication

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More on Cisco Duo Passwordless and ESET Secure Authentication: 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