Jeonghyun H
Yongin-si, South Korea
Summary
🤩
RockstarJeonghyun H is a seasoned technical security leader with around 15 years improving information security across big tech, gaming, and platform companies, including environments with tens of thousands of systems. He has led teams as both a primary and senior member, architecting SIEM upgrades, large-scale log aggregation, and security hardening for thousands of infra nodes. Hands-on in assessments, incident response, and vulnerability mitigation, he has built automation and practical tooling—occasionally open-sourcing utilities—to streamline detection and response. His background spans payment systems, blockchain, web APIs, and game platforms, with notable work on anomaly payment detection and SSL expiry monitoring. Comfortable transitioning between strategy and code, he mentors affiliated company teams and embeds security practices across organizations. Based in Yongin-si, South Korea, he combines deep operational experience with a knack for turning complex security problems into pragmatic, automated solutions.
10 years of coding experience
15 years of employment as a software developer
Github Skills (19)
selenium-webdriver9
gradle-plugin8
maven-plugin8
jenkins-plugin8
vast7
pentesting6
cve6
security6
web-application6
vulnerabilities5
openssl5
software-composition-analysis5
cybersecurity5
composition5
search-engine4
Programming languages (3)
Github contributions (5)
password123456/analyzed-cvelist
Sep 2023 - Feb 2024
Contributions:184 pushes, 1 branch in 5 months
password123456/windows_security_script
Aug 2015 - Mar 2022
Contributions:26 commits, 25 pushes, 1 branch in 6 years 7 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.