One-Time Password (OTP)
One-Time Password (OTP) is an authentication method that generates unique, temporary codes valid for a short period. Used primarily in Two-Factor Authentication (2FA), OTP enhances security by preventing credential reuse and replay attacks. It can be delivered via authenticator apps, SMS, or email and supports TOTP (time-based) and HOTP (counter-based) algorithms. Keycloak enables OTP customization, including hash algorithms, token length, and expiration time. While OTP improves security, risks like SIM swapping and phishing highlight the need for safer alternatives such as WebAuthn or passkeys.
Recommended content for you
Top 5 tools to monitor Apache Kafka in 2025 (Prometheus, Grafana and more)
Apache Kafka is an open-source distributed event streaming platform that underpins many of today’s real-time data pipelines. As organizations scale their Kafka deployments to support…
Managed Kafka Services Comparison: Instaclustr vs Inteca vs DigitalOcean
Why use a Managed Apache Kafka service? Apache Kafka is an open-source distributed streaming platform that powers real-time data pipelines and event-driven applications. But while…
Redpanda vs Kafka: performance, compatibility, and when to use which
Apache Kafka vs Redpanda. What’s the real difference? Apache Kafka® is the foundational streaming platform powering real-time data pipelines at companies like LinkedIn, Netflix, and…
Need expert support for customer and workforce identity management?
Contact us today to learn how we cover everything – from architecture design to deployment and 24/7 maintenance
