Gartner Research

Technology Insight for Phone-as-a-Token Authentication

Published: 10 March 2017

ID: G00319826

Analyst(s): Ant Allan


Authentication methods that co-opt users' mobile phones as tokens are widely adopted. However, security and risk management leaders must carefully evaluate them against trust and user experience needs, especially when the phone itself is the endpoint device.

Table Of Contents


  • Definition
  • Description
    • OOB Authentication
    • OTP Apps
    • Public-Key Tokens
  • Benefits and Uses
  • Risks
  • Recommendations
    • General
    • Mobile Use Cases
  • Representative Providers

Gartner Recommended Reading

©2021 Gartner, Inc. and/or its affiliates. All rights reserved. Gartner is a registered trademark of Gartner, Inc. and its affiliates. This publication may not be reproduced or distributed in any form without Gartner’s prior written permission. It consists of the opinions of Gartner’s research organization, which should not be construed as statements of fact. While the information contained in this publication has been obtained from sources believed to be reliable, Gartner disclaims all warranties as to the accuracy, completeness or adequacy of such information. Although Gartner research may address legal and financial issues, Gartner does not provide legal or investment advice and its research should not be construed or used as such. Your access and use of this publication are governed by Gartner’s Usage Policy. Gartner prides itself on its reputation for independence and objectivity. Its research is produced independently by its research organization without input or influence from any third party. For further information, see Guiding Principles on Independence and Objectivity.

Already have a Gartner Account?

Purchase this Document

To purchase this document, you will need to register or sign in above

Become a client

Learn how to access this content as a Gartner client.