Arris Huijgen
Owner at BITSADMIN
Amsterdam, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolArris Huijgen is a cybersecurity specialist and founder of BITSADMIN with nine years of experience blending hands-on security research and engineering. After a long tenure at Deloitte rising to Senior Manager in Cyber Risk Advisory, he now focuses on freelance offensive tooling and assessments from Amsterdam. He is an active open-source contributor—helping develop Windows Exploit Suggester - Next Generation and a C# reimplementation of PowerShell for red‑teaming—demonstrating deep Windows internals and tooling skills. His background includes practical fuzzing research at Fox-IT and a Master's in Computer Security from the University of Twente, reflecting a strong research-to-production trajectory. Colleagues value him for converting complex vulnerability analysis into reliable, maintainable tooling that scales across assessments.
9 years of coding experience
5 years of employment as a software developer
Master's degree Computer Security, Master's degree Computer Security at University of TwenteBachelor's degree Technical Computer Science, Bachelor's degree Technical Computer Science at Windesheim
Stackoverflow
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Github Skills (17)
python10
microsoft10
patch10
exploit10
active-directory10
dotnet-core10
powershell10
csharp10
netframework9
regex9
dns9
red9
csv8
it-security8
security8
Programming languages (10)
Github contributions (5)
bitsadmin/wesng
Mar 2019 - Jan 2023
Windows Exploit Suggester - Next Generation
Role in this project:
Backend Developer & Security Engineer
Backend Developer & Security EngineerContributions:246 commits, 22 PRs, 352 pushes in 3 years 11 months
Contributions summary:Arris primarily contributed to the Windows Exploit Suggester - Next Generation project, demonstrating skills in parsing and analyzing system information. They were involved in the initial setup, including implementing the core logic of the application written in Python. Further contributions centered on enhancing the OS detection and parsing mechanisms, as well as improving the robustness of the overall functionality. The user also played a significant role in adding support for new exploit sites.
next-generationwindowsupdatespatchesmicrosoft
bitsadmin/nopowershell
Nov 2018 - Dec 2020
PowerShell rebuilt in C# for Red Teaming purposes
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 releases, 40 commits, 3 PRs in 2 years 1 month
Contributions summary:Arris primarily contributed to the development of the NoPowerShell project, which involves rebuilding PowerShell in C#. They implemented several cmdlets, including ones for Active Directory management, DNS resolution, and system information retrieval, demonstrating a focus on functionality and feature expansion. The user also improved existing cmdlets by implementing additional parameters, fixing bugs, and adding example entries to enhance usability. Furthermore, they refactored code and organized the project's structure, indicating a focus on maintainability.
dotnetpowershellred-teamingcsharprebuilt
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