Mathy Vanhoef
Brussels, Brussels-Capital, Belgium
Summary
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RockstarMathy Vanhoef is a security researcher and engineer with 14 years of experience focused on network and system security, especially wireless protocols and applied cryptography. He investigates real-world implementations across the full network stack, uncovering critical vulnerabilities (KRACK, Dragonblood, FragAttacks) and driving practical defenses that have been standardized in IEEE 802.11 for Wi‑Fi 7. Mathy blends offensive testing—contributing exploits and testing tools on GitHub—with standards collaboration and industry partnerships (Intel, Broadcom, Qualcomm, Huawei) to move fixes from proof-of-concept to mandatory deployments. His work spans TLS/HTTPS/VPN analyses as well as Wi‑Fi firmware and hostapd modifications to enable rigorous testing. Awarded repeatedly for real-world impact and cryptographic attacks, he pairs academic rigor with hands-on engineering to improve privacy, authentication, and resilience in deployed systems. Based in Brussels, he maintains an up-to-date publication and tools portfolio that emphasizes reproducible research and practical mitigations.
14 years of coding experience
Github Skills (22)
python10
vulnerability10
it-security10
hostapd10
ws-security10
security10
security-testing10
exploit10
security-vulnerability10
wifi-security10
html10
vulnerabilities10
network-security10
vulnerability-research10
wifi10
Programming languages (8)
Github contributions (5)
vanhoefm/fragattacks
Feb 2020 - Jan 2023
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:337 commits, 7 PRs, 56 pushes in 2 years 10 months
Contributions summary:Mathy's contributions center around developing and testing the "fragattacks" project, specifically related to security vulnerabilities in Wi-Fi. They implemented functionality to make the WEP key available via the control interface. The user worked on adding and testing different fragmentation attack strategies, including crafting scripts for injecting fragmented frames. The user also contributed to improving code quality, adding copyright notices, and making changes to documentation.
vanhoefm/krackattacks-scripts
Aug 2017 - Oct 2022
Role in this project:Security Engineer
Security EngineerContributions:1 release, 57 commits, 8 PRs in 5 years 2 months
Contributions summary:Mathy primarily contributes to a security-focused project by implementing and testing exploits related to Wi-Fi key reinstallation vulnerabilities. Their work includes developing Python scripts to test for KRACK attacks and other related issues. The user also modifies hostapd code to introduce testing hooks and functionalities for analyzing and verifying the security of Wi-Fi implementations against various attacks, including those related to Temporal PTK construction. They also create scripts to disable hardware encryption and improve the overall testing process.
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