Cache Johnny - Hacking exposed wireless: wireless security secrets & solutions

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For Jen, Maya, and Ethan.

~Joshua Wright

For those who pushed me forward when the world was trying to hold me back: Nick, Karen, Jen, and Ora.

~Johnny Cache

Joshua Wright is a senior technical analyst with Counter Hack, and a senior instructor and author for the SANS Institute. Through his experiences as a penetration tester, Josh has worked with hundreds of organizations on attacking and defending mobile devices and wireless systems, disclosing significant product and protocol security weaknesses to well-known organizations. As an open source software advocate, Josh has conducted cutting-edge research resulting in hardware and software tools that are commonly used to evaluate the security of widely deployed technology targeting Wi-Fi, Bluetooth, ZigBee, and Z-Wave wireless systems, smart-grid deployments, and the Android and Apple iOS mobile device platforms. In his spare time, Josh looks for any opportunity to void a warranty on his electronics.

Johnny Cache received his Masters in Computer Science from the Naval Postgraduate School in 2006. His thesis work, which focused on fingerprinting 802.11 device drivers, won the Gary Kildall award for the most innovative computer science thesis. Johnny wrote his first program on a Tandy 128K color computer sometime in 1988. Since then, he has spoken at several security conferences, including BlackHat, BlueHat, and ToorCon. He has also released a number of papers related to 802.11 security and is the author of many wireless tools. He is the founder and chief science officer of Cache Heavy Industries.

Chris Crowley is the owner of the Montance Consulting Group in Washington DC, performing penetration testing, computer network defense, incident response, and forensic analysis engagements. As the lead instructor for the SANS Institute Mobile Device Security and Ethical Hacking course, Chris works with thousands of organizations each year, helping them identify, exploit, and address critical flaws in mobile and wireless systems. In his spare time, Chris balances his extreme work schedule with extreme rock climbing.

Tim Kuester (BSCE, UMBC) is an engineer working at Tactical Network Solutions in Columbia, MD. He has a background in turnkey engineering, with projects ranging from CubeSats and BioMed research devices to spy gadgets and air vacuums. He enjoys hacking projects involving embedded systems, radios, and circuit boards. Alongside contract work, he teaches courses on software-defined radio and signal processing at TNS headquarters. Outside of work, he enjoys fiddling with amateur radio, riflery, and EMS. Tim would like to extend thanks to his parents and his engineering professors at UMBC for their patience and guidance.

Tim Medin is a senior technical analyst with Counter Hack and a lead instructor for the SANS Institute. As a professional penetration tester, Tim has worked with hundreds of organizations, including Fortune 100 companies and the US government, to identify and exploit vulnerabilities as part of an essential process to defend critical networks. As the technical lead of the innovative NetWars program, Tim leads the development of information security challenges for education, evaluation, and competition, reaching out to brilliant analysts, from high-school seniors to retired US military veterans. When hes not identifying critical flaws in pervasive protocols such as Kerberos, Tim likes to spend time with his family.