CC2650EM-5XD-RD: Zigbee network security related concern.

Part Number: CC2650EM-5XD-RD

Hello All,

There are so many articles about security vulnerability in zigbee network/ device. 

few links for reference - https://www.blackhat.com/docs/us-15/materials/us-15-Zillner-ZigBee-Exploited-The-Good-The-Bad-And-The-Ugly.pdf  , https://blog.attify.com/hack-iot-devices-zigbee-sniffing-exploitation/   

I want to understand what are the possible loopholes in the zigbee network/ device.

what are the actions should be  taken to prevent the vulnerabilities.