Passkeys: Enhancing Digital Security Without Passwords

Passkeys promise the end of the password era. This new technology offers higher security and a better user experience – but implementation has its pitfalls.

English edition — originally published in German as Passkeys: Verbesserung der digitalen Sicherheit ohne Passwörter.

The End of the Password Era?

Passkeys are a new authentication technology designed to replace passwords. They are based on cryptographic key pairs and offer both higher security and a better user experience.

How Passkeys Work

The Principle

• Your device generates a cryptographic key pair
• The private key remains securely on your device
• The public key is stored with the service
• Authentication occurs via biometric confirmation (Face ID, Touch ID) or PIN

The Advantages

• No passwords to remember – or forget
• Phishing-resistant – keys are domain-bound
• No password leaks – there's nothing to steal
• Better UX – faster than password + 2FA

The Challenges

1. Device Dependency

Passkeys are tied to devices. What happens if a device is lost?

2. Cross-Platform Synchronization

Apple, Google, and Microsoft have different ecosystems. Synchronization is not yet seamless.

3. Enterprise Implementation

Existing systems need to be migrated. This requires time and resources.

4. User Education

Many users do not yet understand the concept. Change management is necessary.

Recommendations for Businesses

1. Evaluate now – Understand the technology
2. Start pilot projects – Start small, gain experience
3. Hybrid approaches – Passkeys as an option alongside passwords
4. Plan training – Users need to understand what is changing

Conclusion

Passkeys are the future of authentication – but the transition requires time and careful planning.