Passkey essentials

# Everything teams need to understand Passkeys

Share the fundamentals with product, security, and CX partners using this at-a-glance passkey briefing powered by amiPro research.

FIDO2 ready Phishing resistant Device agnostic
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## How Passkeys Work: Step by Step

1. Registration: The user registers a passkey by authenticating with biometrics (fingerprint or face recognition) or a hardware security key on their device.
2. Key pair creation: A cryptographic key pair is generated. The private key stays securely on the user device; the public key is sent to the website server.
3. Authentication: On subsequent logins, the user authenticates with biometrics to unlock the private key, which signs a cryptographic challenge from the server.
4. Verification: The server verifies the signature using the public key and grants access — no password ever transmitted.

## Passkey Benefits for Businesses

- 99.9% phishing reduction: Passkeys are bound to the legitimate website domain, making phishing attacks ineffective.
- 203% ROI over 3 years: Reduced security incidents, lower support costs, and improved conversion rates deliver measurable returns.
- 75% fewer support tickets: Eliminating password resets dramatically reduces help desk burden by year three.
- Faster sign-ins: Biometric authentication is quicker than typing passwords, reducing login abandonment.

amiPro Passkey Hub provides FIDO2-certified infrastructure with open-source SDKs for JavaScript, iOS, and Android.

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