Jeff Mcjunkin
Founder & Principal Consultant at Rogue Valley Information Security
Medford, Oregon, United States
Summary
👤
Senior🎓
Top SchoolJeff Mcjunkin is a founder and principal consultant with 13 years of hands-on experience turning real-world attacker techniques into actionable security improvements for organizations. He leads Rogue Valley Information Security and teaches for the SANS Institute, specializing in end-to-end penetration testing and Active Directory attack scenarios that both expose risk and guide remediation. Known for bridging technical and executive audiences, he helps clients prioritize fixes so findings actually get resolved rather than sit in a report. His background in systems and network administration informs pragmatic, infrastructure-aware assessments and forensic analysis. A repeat winner of security competitions and designer of NetWars tournaments, he blends competitive red-team rigor with practical coaching and post-engagement support. Based in Medford, Oregon, he emphasizes that compromise may be inevitable but breaches are preventable through detection, response, and continuous improvement.
13 years of coding experience
7 years of employment as a software developer
Bachelor's Degree, Computer and Information Systems Security/Information Assurance, Bachelor's Degree, Computer and Information Systems Security/Information Assurance at Southern Oregon University
Stackoverflow
128reputation
7kreached
2answers
0questions
Github Skills (200)
cracking10
msrpc10
bypass10
modular10
capstone10
social-engineering10
httpd10
dcom10
inject10
kerberos10
implant10
pentesting10
protocols10
smb10
ntlm10
Programming languages (15)
Github contributions (5)
jeffmcjunkin/metasploit-framework
Jun 2019 - Apr 2024
Metasploit Framework
Contributions:5 pushes, 3 branches in 4 years 10 months
metasploitmetasploit-framework
jeffmcjunkin/unicorn
Feb 2020 - Jan 2025
Unicorn is a simple tool for using a PowerShell downgrade attack and inject shellcode straight into memory. Based on Matthew Graeber's powershell attacks and the powershell bypass technique presented by David Kennedy (TrustedSec) and Josh Kelly at Defcon 18.
Contributions:3 pushes, 1 branch in 5 years
memorypowershellshellcodepentestbypass
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