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avatar for Joff Thyer

Joff Thyer

Joff Thyer has been a penetration tester and security analyst with Black Hills Information Security since 2013. Prior to joining the InfoSec world, he had a long career in the IT industry as a systems administrator and an enterprise network architect. He has an Associate’s in Computer Science, a B.S. in Mathematics, and an M.S. in Computer Science, as well as several certifications (listed below). The best part of a penetration test for Joff is developing sophisticated malware that tackles defensive solutions, ultimately delivering exciting wins for company engagements. He has extensive experience covering intrusion prevention/detection systems, infrastructure defense, vulnerability analysis, defense bypass, source code analysis, and exploit research. When Joff isn’t working or co-hosting the Security Weekly podcast, he enjoys making music and woodworking.

Certifications:  GXPN: GIAC Certified Exploit Researcher and Advanced Penetration Tester, GWAPT: GIAC Certified Web Application Penetration Tester, GPEN: GIAC Certified Penetration Tester, GPYC: GIAC Certified Python Coder, GCIA: GIAC Certified Intrusion Analyst, GCIA Gold: GIAC Covert Data Storage Channel using IP Headers certification