Karl specializes in network and web application penetration testing. Karl holds a BS in Computer Science from the University of Minnesota and has over a decade of consulting experience in the computer security industry. In that time, he has worked with a variety of industries; including financial services, health care, and retail. Karl holds the Security+, CISSP, and GXPN certifications. In his spare time, Karl has volunteered at conferences including DEF CON, THOTCON, and AppSec USA. Karl has previously spoken at BsidesPDX, THOTCON, AppSec California, and DerbyCon.