Clerk is a commercial CIAM solution by Clerk. Protectimus MFA for ADFS is a commercial MFA & passwordless solution by Protectimus Limited. Features, integrations, deployment and the company behind each one, side by side.
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VisitAuthentication and user management platform with pre-built UI components
MFA plugin that adds two-factor authentication to ADFS environments.
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Based on what each listing shows: deployment, company size, price and open source.
Clerk fits if you want a cloud product and you are a startup.
Protectimus MFA for ADFS fits if you need both cloud and on-premises options and you are an enterprise.
Common questions when comparing Clerk vs Protectimus MFA for ADFS for CIAM.
Clerk: Authentication and user management platform with pre-built UI components, built by Clerk.
Protectimus MFA for ADFS: MFA plugin that adds two-factor authentication to ADFS environments, built by Protectimus Limited.
The table above shows where their features, integrations, deployment and company size fit differ.
Clerk is made by Clerk. Protectimus MFA for ADFS is made by Protectimus Limited. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
In part. Clerk and Protectimus MFA for ADFS are not in the same category on CybersecTools. Both cover MFA, Authentication, SSO. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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