In Mobile Enterprise, Laurie Lamberth and Steve Brumer have a story on IoT network security. Previous articles on topic have mentioned issues with out-of-date device firmware.
Excerpt:
3. Periodic endpoint integrity checks: With thousands of devices of all different types being connected to the enterprise networks, over different networks with different access control protocols, after the fact as well as real-time access monitoring is a good idea. Periodically checking each device’s security software and policies, firmware, software, and other resources such as anti-virus protection, can root out vulnerabilities before they become problems.
Read the full story:
http://mobileenterprise.edgl.com/news/3-Options-for-Securing-the-IoT-Network-99910
Do you know how to check the firmware on your system?
Firmware Security 