Larry is a Senior Security Analyst with InGuardians after a long stint in security and disaster recovery in healthcare, performing penetration testing, wireless assessments, and hardware hacking. He also diverts a significant portion of his attention co-hosting the Paul's Security Weekly podcast and likes to tinker with all things electronic and wireless, much to the disappointment of his family, friends, warranties, and his second Leatherman Multi-tool. Larry also co-authored Linksys WRT54G Ultimate Hacking and Using Wireshark and Ethereal from Syngress. Larry is an Extra Class Amateur Radio operator (KB1TNF) and enjoys developing hardware and real-world challenges for the Mid-Atlantic Collegiate Cyber Defense Challenge. He is also a SANS certified instructor.