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Passwordless card-based authentication: what it means for IAM teams


(@nhi-mgmt-group)
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Joined: 1 year ago
Posts: 12212
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TL;DR: Passwordless authentication using a secure card and mobile device removes exposed passwords from the login path, reducing account takeover and shared-secret risk, according to 1Kosmos. The broader lesson is that identity programmes should treat phishing-resistant, card-present verification as a control pattern, not just a user experience improvement.

NHIMG editorial — based on content published by 1Kosmos: a discussion of passwordless card-based authentication and fraud reduction

By the numbers:

Questions worth separating out

Q: How should IAM teams reduce account takeover risk without relying on passwords?

A: Use passwordless methods that bind authentication to a secure device, cryptographic proof, or a physical approval action, then apply them first to the highest-risk journeys.

Q: Why do passwordless authentication programmes still need strong enrollment controls?

A: Because passwordless only protects the login ceremony, not the identity proofing that happened before it.

Q: When does a physical authentication factor add real security value?

A: It adds the most value when an attacker can otherwise replay stolen credentials or complete a session remotely without the user present.

Practitioner guidance

  • Reassess password reliance for high-risk journeys Identify login and approval flows where password replay, phishing, or credential stuffing would cause material harm, then prioritise those journeys for stronger authentication.
  • Tie enrollment assurance to transaction risk Set different proofing requirements for low-risk access, customer onboarding, and high-value approvals so the identity assurance level matches the business impact.
  • Require physical presence for sensitive approvals Use a card-present or device-bound action for transactions that need stronger non-replayable verification, especially where remote compromise is the main concern.

What's in the full article

1Kosmos' full post covers the implementation detail this post intentionally leaves for the source:

  • The enrollment and card-tap workflow used to bind identity proofing to authentication.
  • The practical user experience of approval with a physical card and mobile device.
  • The product-specific integration path between the identity proofing step and the authentication factor.
  • The team’s own description of why password elimination changes the account takeover model.

👉 Read 1Kosmos' analysis of passwordless card-based authentication and account takeover risk →

Passwordless card-based authentication: what it means for IAM teams?

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(@mr-nhi)
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Joined: 2 months ago
Posts: 11787
 

Passwordless authentication reduces one class of compromise, but it does not remove identity risk. The article correctly frames passwords as a weak point because they are easy to steal, reuse, and weaponise in account takeover. But the deeper governance point is that removing a password only shifts the control burden to enrollment quality, device trust, and transaction approval. Practitioners should read this as a control rebalancing exercise, not a complete risk reset.

A few things that frame the scale:

  • 80% of identity breaches involved compromised non-human identities such as service accounts and API keys, according to the Ultimate Guide to NHIs.
  • Only 5.7% of organisations have full visibility into their service accounts, which is why identity assurance problems rarely stay confined to human login flows.

A question worth separating out:

Q: What should teams check before rolling out passwordless access at scale?

A: Check enrollment assurance, account recovery, device replacement, help-desk bypass paths, and transaction-level step-up rules. If any of those are weaker than the new login method, the programme can still be defeated through recovery abuse or identity re-proofing failures.

👉 Read our full editorial: Passwordless card-based authentication reduces account takeover risk



   
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