Alex Kornitzer
Senior Software Engineer at Volexity
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolAlex Kornitzer is a Senior Software Engineer based in London with 11 years of experience building security-focused platforms and tooling. He has led engineering at WithSecure and now contributes at Volexity, combining hands-on development with threat hunting and secure systems architecture. His background spans back-end systems, reverse-engineering and malware/forensics tooling—demonstrated by substantive contributions to radare2 and enhancements to forensic search tooling like WithSecureLabs/chainsaw. Alex also improves cross-platform user experiences, having fixed nuanced input and cursor handling in the popular RetroArch frontend on macOS. He holds an MSc in Information Security from UCL and a Computer Science degree from York, and brings a founder’s perspective from co-founding Ingenious Bytes. Colleagues describe him as a pragmatic problem solver who moves between low-level debugging and production-grade platform design.
11 years of coding experience
11 years of employment as a software developer
Computer Science with Year in Industry, Computer Science with Year in Industry at University of YorkUniversity College SchoolUniversity College London
English
Github Skills (36)
objective-c10
threat-hunting10
rc10
sigmajs10
c-programming10
c1110
ui-design10
binarydiff10
security10
c1710
uid10
arch10
front-end-development10
libretro10
macos10
Programming languages (17)
Github contributions (5)
WithSecureLabs/chainsaw
Sep 2021 - Oct 2022
Rapidly Search and Hunt through Windows Forensic Artefacts
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:31 reviews, 42 commits, 33 PRs in 1 year 1 month
Contributions summary:Alex focused on enhancing the output capabilities of the `chainsaw` tool. They added features such as CSV and JSON output formats, as well as a quiet mode for suppressing informational messages. The commits demonstrate an understanding of file I/O, and output formatting. Additionally, the user improved the search functionality and added security related features, such as adding false positive filtering for sigma rules.
windowsattackrustsecuritythreat-hunting
radareorg/radare2
Nov 2016 - Nov 2019
UNIX-like reverse engineering framework and command-line toolset
Role in this project:Back-end Developer & Reverse Engineering Specialist
Back-end Developer & Reverse Engineering SpecialistContributions:7 commits, 8 PRs, 40 comments in 3 years
Contributions summary:Alex made significant contributions to the `radare2` reverse engineering framework. Their work included implementing and correcting functionalities, such as `r_list_join` which has never functioned correctly before, adding custom binary information parsing for mdmp files, and refactoring code by moving components into the core of the project. Additionally, the user fixed memory leaks, resolved import errors and enhanced the PE (Portable Executable) and mdmp functionalities. These contributions show a focus on enhancing the core features and supporting various file formats within the framework.
command-linereverse-engineeringunixradare2c
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