Jacek Halon
Principal Red Team Consultant at CrowdStrike
Greater Chicago Area United States
Summary
👤
Senior🎓
Top SchoolJacek Halon is a Principal Red Team Consultant with a decade of hands-on experience in offensive security, currently focused on adversarial emulation and Offensive R&D at CrowdStrike. He specializes in developing novel TTPs, tools, and exploits targeting Windows internals and browsers, backed by a broad foundation in web, network, physical, cloud, and hardware security assessments. His background includes malware and exploit reverse engineering through a technical rotation with CrowdStrike's TAC, reflecting an unusual blend of red team tradecraft and deep analysis skills. Having progressed from security consulting to leading red team engagements, he combines practical penetration testing experience with research-driven tool development to simulate sophisticated threat actors. Based in the Greater Chicago Area, he pairs methodical engineering with creative problem solving to uncover high-impact vulnerabilities that often sit outside routine assessments.
10 years of coding experience
3 years of employment as a software developer
Bachelor’s Degree Information Technology, Bachelor’s Degree Information Technology at Roosevelt University
Stackoverflow
57reputation
5kreached
2answers
7questions
Github Skills (39)
javascript10
react10
system-calls9
syscall8
fuzzy-matching7
html6
eclipse6
hashing-algorithm6
android6
ups6
css6
python6
java6
mrjob6
hadoop6
Programming languages (6)
Github contributions (5)
jhalon/NexposeParser
Apr 2017 - Jun 2019
Contributions:11 commits, 9 pushes, 1 branch in 2 years 2 months
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