Hein Andre Grønnestad

Hi! :)

This page acts as a casual résumé and showcase of my hobby projects and interests.

Hobby Projects

Information Security

I have a deep understanding of computer systems and information security, both as a software engineer and as a red team ethical hacker.

eJPT Certification

I am a certified eLearnSecurity Junior Penetration Tester.

Certificate Verification: https://www.elearnsecurity.com/certification/verify?c=751496b8-eada-4937-b04e-2a160c5a8e10

CTF Writeups

I sometimes participate in CTFs. Here are some of my writeups from past ones:

Year Name Team Repo Placement
202x TryHackMe hag ctf-thm-public Top 1%
2022 HTB Cyber Apocalypse 2022 hag htb-cyber-apocalypse-2022 883 / 7024
2021 River Security Xmas Challenge hag ctf-rsxc-2021  
2021 Equinor CTF IK ctf-equinor-21 12 / 79
2021 OP Holmgang IK ctf-op-holmgang 22 / 188
2021 H@ctivityCon hag ctf-hacktivitycon-2021 210 / 2527


I regularly use TryHackMe to practice me ethical hacking skills and learn new ones: