"Mobile threat defense (MTD) is sophisticated, dynamic protection against cyber threats targeted against mobile devices. With MTD, protection is applied to devices, networks, and applications."

Employees are increasingly working on mobile devices, so organizations must safeguard sensitive enterprise data  from cyber threats that exploit mobile users, apps and devices. Organizations have deployed mobile device management  (MDM) and mobile app management (MAM) solutions to support mobile users, but often mistakenly believe these management  tools are sufficient to protect them from cyber threats.
 
Mobile Threat Defense protects organizations and their users from threats on iOS and Android devices: 
As organizations and employees are increasingly dependent on mobile devices, these endpoints become key targets for malicious actors.Gartner states, “The MTD solution market consists of solutions that protect organizations from threats on iOS and Android devices.