Lee Christensen
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolLee Christensen is a security consultant with 11 years of experience in red teaming, penetration testing, offensive tool development, malware hunting, and security training at Veris Group's Adaptive Threat Division. A self-taught programmer with a computer science degree from Weber State University (4.0 GPA), he blends hands-on attacker tradecraft research with practical defensive TTP development. Lee has contributed notable enhancements to the widely used PowerSploit framework, adding Active Directory reconnaissance and exploitation cmdlets and fixes for Kerberos pre-auth issues. Based in Seattle, he focuses on bridging offensive techniques and enterprise security posture, turning complex adversary behaviors into actionable mitigations. He’s known for making “computers misbehave” in ways that reveal hard-to-find vulnerabilities and strengthen real-world defenses.
11 years of coding experience
Bachelor's Degree, Computer Science, 4.0, Bachelor's Degree, Computer Science, 4.0 at Weber State UniversityUS Cyber Challenge
Spanish, English
Github Skills (6)
powershell10
active-directory10
r10
security10
exploit9
exp9
Programming languages (11)
Github contributions (5)
PowerShellMafia/PowerSploit
Apr 2016 - Apr 2017
PowerSploit - A PowerShell Post-Exploitation Framework
Role in this project:
Security Engineer
Security EngineerContributions:5 commits, 6 PRs, 9 comments in 1 year
Contributions summary:Lee primarily contributed to the PowerSploit framework by modifying and adding PowerShell scripts related to Active Directory reconnaissance and exploitation. They improved the functionality of existing commands like `Get-NetLocalGroup` and `Get-DomainUser`, fixed bugs related to Kerberos pre-authentication, and implemented features for manipulating Access Control Lists (ACLs) and object ownership. The user also developed new cmdlets for working with Active Directory logon hours and object-specific ACEs, broadening the framework's capabilities.
powershellsecuritypost-exploitationpentestingexploitation
leechristensen/DotNetDeserializationScanner
May 2020 - Nov 2024
Scans for .NET Deserialization Bugs in .NET Assemblies
Contributions:2 pushes, 1 branch in 4 years 6 months
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