# BIO-key PortalGuard vs CionSystems Cion MFA: side-by-side comparison (2026)

[BIO-key PortalGuard](https://cybersectools.com/tools/bio-key-portalguard) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [BIO-key International](https://cybersectools.com/companies/bio-key-international). [CionSystems Cion MFA](https://cybersectools.com/tools/cionsystems-cion-mfa) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [CionSystems](https://cybersectools.com/companies/cionsystems). Features, integrations, deployment and the company behind each one, side by side.

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

## Side-by-side comparison

| | BIO-key PortalGuard | CionSystems Cion MFA |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | MFA & Passwordless | MFA & Passwordless |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | BIO-key International | CionSystems |
| Headquarters | – | – |

### Use cases and capabilities

| | BIO-key PortalGuard | CionSystems Cion MFA |
|---|---|---|
| MFA | Yes | Yes |
| SSO | Yes | Yes |
| Authentication | Yes | Yes |
| Single Sign On | Yes | – |
| Windows Security | – | Yes |
| Windows | – | Yes |
| USB Security | – | Yes |

### Core features

**BIO-key PortalGuard**

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

**CionSystems Cion MFA**

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

### Integrations

**BIO-key PortalGuard**

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

**CionSystems Cion MFA**

No integrations listed.

## Which one fits you

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

- [BIO-key PortalGuard](https://cybersectools.com/tools/bio-key-portalguard) fits if you want a cloud product.
- [CionSystems Cion MFA](https://cybersectools.com/tools/cionsystems-cion-mfa) fits if you need to run it on your own servers and you are a small business.

## BIO-key PortalGuard vs CionSystems Cion MFA FAQ

Common questions when comparing BIO-key PortalGuard vs CionSystems Cion MFA for MFA & passwordless.

### What is the difference between BIO-key PortalGuard and CionSystems Cion MFA?

**BIO-key PortalGuard**: Zero Trust IAM platform with MFA, SSO, passwordless auth, and SSPR, built by BIO-key International.

**CionSystems Cion MFA**: MFA solution for Windows machines using USB token, SMS, email OTP, or challenge questions, built by CionSystems.

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

### Who makes BIO-key PortalGuard and CionSystems Cion MFA?

**BIO-key PortalGuard** is made by BIO-key International. **CionSystems Cion MFA** is made by CionSystems. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is BIO-key PortalGuard a good alternative to CionSystems Cion MFA?

Often, yes. BIO-key PortalGuard and CionSystems Cion MFA are both MFA & Passwordless products, and both cover MFA, Authentication, SSO. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [BIO-key PortalGuard vs digitronic SmartLogon™](https://cybersectools.com/compare/bio-key-portalguard-vs-digitronic-smartlogontm)
- [BIO-key PortalGuard vs IDpendant Middleware](https://cybersectools.com/compare/bio-key-portalguard-vs-idpendant-middleware)
- [BIO-key PortalGuard vs Mi-Token](https://cybersectools.com/compare/bio-key-portalguard-vs-mi-token)
- [CionSystems Cion MFA vs digitronic SmartLogon™](https://cybersectools.com/compare/cionsystems-cion-mfa-vs-digitronic-smartlogontm)
- [CionSystems Cion MFA vs IDpendant Middleware](https://cybersectools.com/compare/cionsystems-cion-mfa-vs-idpendant-middleware)
- [CionSystems Cion MFA vs Mi-Token](https://cybersectools.com/compare/cionsystems-cion-mfa-vs-mi-token)

## Alternatives to each

- [See all BIO-key PortalGuard alternatives](https://cybersectools.com/alternatives/bio-key-portalguard)
- [See all CionSystems Cion MFA alternatives](https://cybersectools.com/alternatives/cionsystems-cion-mfa)

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Source: https://cybersectools.com/compare/bio-key-portalguard-vs-cionsystems-cion-mfa

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

More on BIO-key PortalGuard and CionSystems Cion MFA: 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