 Several market and policies have emerged to address BYOD security concerns, including mobile device management (MDM), containerization and app virtualization.In 2013, ZixCorp introduced ZixOne, a mobile email application for businesses coping with the BYOD trend of employees using personal devices for work, by protecting corporate data in email, while allowing employees to maintain privacy and control of their personal devices.The service provides access to corporate email in the cloud-based service, allowing employees to view messages and attachments without storing any data on the device.