Nuance Gatekeeper

Cloud-native biometric security for every channel

Authenticate and prevent fraud with AI and biometrics.

Microsoft + Nuance

Nuance Gatekeeper is part of the Microsoft Digital Contact Center Platform, an open, extensible, and collaborative platform for seamless, omnichannel customer engagement.
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Make life easier for customers—and harder for fraudsters

Nuance Gatekeeper is a cloud-native biometric security solution that enables frictionless, fast, and accurate authentication for legitimate persons while detecting and preventing fraudsters wherever—and however—they engage.

Opus Research 2022 Intelligent Authentication and Fraud Prevention Intelliview

Learn why Nuance was named as market leader with Nuance Gatekeeper accurately authenticating voiceprints faster than any other vendor.

Industry-leading performance


of audio to authenticate


detection of fraud


authentication success rate

AI Risk Engine

Deep neural networks transparently analyze biometric, non-biometric, and other available data to make intelligent authentication and fraud risk assessments.

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Always a step ahead

Gatekeeper continuously evolves to meet new threats to security, layering biometric and non‑biometric factors into a central AI risk engine to deliver more successful authentications and higher fraud detection rates.

Platform features

Award‑winning voice biometrics software solutions

Learn why the GSMA awarded Gatekeeper its Global Mobile (GLOMO) Award for Best Mobile Authentication & Security Solution.

Global Mobile Awards Logo

Proven outcomes

More than 500 organizations worldwide trust Nuance for authentication and fraud prevention solutions. Every year, Nuance customers secure over 8 billion transactions and prevent more than $2 billion in fraud losses.

Featured blog

The future of customer engagement is bright with Microsoft and Nuance

Explore why Nuance and Microsoft have never been more confident in our ability to continue offering organizations unprecedented AI‑powered customer engagement solutions.

Related products

Integrating Nuance Gatekeeper with Microsoft innovations on the Microsoft Digital Contact Center Platform will help enhance customer experiences and improve fraud prevention.

Tony Lorentzen
Senior Vice President, Intelligent Engagement Solutions

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