Samsung's Knox is a defense-grade mobile security platform designed to enhance Android security and productivity for enterprise users, with features such as real-time device protection, a secure container for corporate data, and comprehensive integration with Android for Work. The platform supports over 30 Samsung models and provides tools for IT management, including data loss prevention and granular control over app and network usage. With improved security measures and increased productivity features in Knox 2.6, it aims to meet the evolving mobility needs of businesses.