The Pentagon approved for use, the Samsung KNOX platform which enables work and personal data to coexist securely and separately on the same device. Android has long been the outcast of mobile device security largely because hackers have been adept at getting malware onto the platform via third-party application marketplaces and lax submission policies on Google Play. The Pentagon also gave its blessing to BlackBerry s new smartphones, the Z-10, and Playbook tablets running the BlackBerry 10 operating system. Apple is expected to get similar approval soon.
Source: https://threatpost.com/samsungs-secure-version-of-android-gets-dod-blessing/100222/