National Cybersecurity Center of Excellence (NCCoE) requests comments through January 8, 2016 on NIST Cybersecurity Practice Guide Mobile Device Security: Cloud & Hybrid Builds (Special Publication 1800-4). Mapping security characteristics to standards and best practices from NIST and other organizations, document provides instructions for implementers and security engineers on installing, configuring, and integrating example mobile device security solution into existing IT infrastructures.