This document provides an overview of a half-day tutorial on wireless security in medical devices. The tutorial covers security threats at different layers of a wireless medical devices network and corresponding security solutions. It discusses security challenges in wireless personal area networks (WPANs) like Zigbee networks and wireless body area networks (WBANs) being standardized by IEEE 802.15.6. The tutorial outlines security modes in Zigbee including encryption and authentication techniques. It also discusses secure key management and privacy issues in WBAN environments.