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My name is Valdemar Carøe, and I am a Security Advisor at a danish company called Improsec A/S. My position revolves around a variety of cyber security related activities, including red teaming, penetration testing, reverse engineering, offensive tool development, and more.

I am an extrovert and positive person, who enjoys developing myself as well as mentoring others into being their best selves both mentally and professionally.


In July 2021, I achieved a Master’s degree in Computer Science and Engineering from the Technical University of Denmark (DTU), where I wrote my dissertation on virtualization-based obfuscation techniques and the restoration of procedures which have been protected by commercial products. The project culminated in the development of a devirtualization engine for Themida, one of the globally leading commercial packers for Windows binaries.

On top of that, I retain 12 cyber security certifications, including the OSCP, the OSCE and the recently famous OSCE3. I have completed multiple cyber security training labs, including the APTLabs and Cybernetics pro labs from Hack The Box, and have placed first in a variety of CTF competitions either as an individual performance or with my CTF team, Crusaders of Rust.

List of retained certifications:

  • Offensive Security Certified Professional (OSCP)
  • Offensive Security Certified Expert (OSCE)
  • Offensive Security Certified Expert 3 (OSCE3)
  • Offensive Security Experienced Penetration Tester (OSEP)
  • Offensive Security Exploit Developer (OSED)
  • Offensive Security Web Expert (OSWE)
  • eLearnSecurity Certified Professional Penetration Tester (eCPPT) v2
  • eLearnSecurity Certified Reverse Engineer (eCRE)
  • eLearnSecurity Certified eXploit Developer (eCXD)
  • eLearnSecurity Junior Penetration Tester (eJPT)
  • eLearnSecurity Web Application Penetration Tester (eWPT) v1
  • eLearnSecurity Web Application Penetration Tester eXtreme (eWPTX) v1

List of completed training labs:

  • Hack The Box Pro Lab: Dante
  • Hack The Box Pro Lab: Offshore
  • Hack The Box Pro Lab: RastaLabs
  • Hack The Box Pro Lab: Cybernetics
  • Hack The Box Pro Lab: APTLabs

List of honorary CTF victories:

  • Hack The Box Cyber Santa CTF 2021
  • Hack The Box Cyber Apocalypse CTF 2022
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