From the customer view in https://admin.webex.com, click Messaging.


Scroll to Mobile Application Security and choose from the security options:

  • Disable message preview on mobile device's lock screen—Users won't be able to choose the Show message preview option in the Webex mobile apps.
  • Disable the use of unmanaged apps—Users are required to use a corporate managed version of Webex. They won't be able to use the unmanaged Webex apps (downloaded from Apple App Store / Google Play Store).