Only keep one day of e-mail and the files necessary for the day’s activity on the device. Do not use shared devices (hotel computers or fax machines) for information that should be protected. Don’t use Bluetooth discoverable mode, turn off 802.11 wireless when it’s not in use. Encrypt sensitive information on the mobile device, if possible. Sanitize (wipe out) obsolete mobile devices. The IT department should provide only the view necessary to any mobile individual or system.”]
Source: https://www.csoonline.com/article/2122699/mobile-security-quick-tips.html