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Wireless security skills need to prepare for the IoT age, says SANS Institute

Published on 29 June, 2016
Bluetooth has some solid maths around encryption but many of the security decisions are left in the hands of the users which means things can go horribly wrong
There is disparity between the security of the different wireless standards, says Larry Pesce

The proliferation of new Wireless communication technologies within consumer electronics and smart devices is overtaking the skills of the information security industry says Larry Pesce, a leading expert in the field and SANS instructor.

Disparity in security

There is a great deal of disparity between the security of the different wireless standards particularly when you compare the 802 family that were predominately built for business use and emerging technologies that came from the consumer landscape such as Bluetooth, Zigbee and Z-Wave,” says Pesce who co-authored ‘Linksys WRT54G Ultimate Hacking’ and ‘Using Wireshark and Ethereal’ books.

For example, Bluetooth has some solid maths around encryption but many of the security decisions are left in the hands of the users which means things can go horribly wrong. Zigbee has a poor design for how it handles passphrase and replay packets which are highly vulnerable while security in some of the proprietary formats like Z-Wave is almost non-existent security.

Pesce who also develops real-world challenges for the Mid-Atlantic Collegiate Cyber Defense Challenge is complimentary about newer wireless protocols such as 802.15.4 and Zigbee which uses baseline profiles to help deliver enhanced security but comments, “…the technology is probably ahead of the skill sets out in the field and the problem is also somewhat under estimated.

Wireless privacy issues

Pesce also highlights the privacy issues that wireless enabled devices are starting to hit against, “If we look forward a large number of devices in the work and home will be wirelessly enabled and communicating autonomously between each other and back to manufacturers. Unless more consideration is given to securing both the devices and the communication links, there are likely to be breaches that will burrow into this internet of things infrastructure and start to gather private information or act as a staging post for more damaging attacks.”

Wireless security course

"There are likely to be breaches that will burrow into this internet of things infrastructure and start to gather private information"

Pesce will be teaching SANS course, 'SEC617: Wireless Ethical Hacking, Penetration Testing, and Defenses' at SANS London in July. The hands-on course takes an in-depth look at the security challenges of many different wireless technologies, exposing students to wireless security threats through the eyes of an attacker. Using readily available and custom-developed tools, students navigate through the techniques attackers use to exploit WiFi networks, including attacks against WEP, WPA/WPA2, PEAP, TTLS, and other systems. The course also examines the commonly overlooked threats associated with Bluetooth, ZigBee, DECT, and proprietary wireless systems.

We are at a crossroads from a standards perspective,” comments Pesce, “The vendors are still mostly obsessed with bigger and faster, but there is increased pressure from a privacy prospective and many are having a hard time figuring it out – for Infosecurity professionals, the skills needed to secure these new types of wireless connections are in high demand.


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