Hi, I’m Samuel Regelbrugge

Cybersecurity professional passionate about Purple Team methodologies—building defence‑in‑depth while mastering offensive tactics to stay a step ahead.

View Résumé ⇩
Portrait of Samuel Regelbrugge

Professional Experience

RSM US LLP

Cyber Testing Intern · Jun 2024 – Nov 2024 · Chicago, IL

  • Performed network, API, and LLM penetration tests against OWASP LLM Top‑10.
  • Presented industry‑specific cyber‑risk research to executive leadership.
  • Supported red‑team live‑fire exercise validating client IR playbooks.

Titan Security Group

IT & Security Intern · May 2023 – May 2024 · Chicago, IL

  • Managed helpdesk tickets on Zendesk, supported the office and different sites with various daily technical issues.
  • Led deployment for NVR Servers, new employee laptops, printers, and other hardware for internal office and site needs.
  • Conducted live incident response regarding suspicious activity and unauthorized access to core systems.
  • Ran an assessment of core infrastructure and led crucial projects such as automated backups for core infrastructure.

Indiana Tech Cyber Warriors

Team Lieutenant & Unix Lead · Apr 2023 – May 2025 · Fort Wayne, IN

  • Develop weekly Linux lab challenges and lead 20‑member team.
  • Led strategy for CCDC & CPTC podium finishes (see competitions).

Best Buy

Customer Experience Specialist · Jun 2021 – Aug 2022 · Geneva, IL

  • Communicated effectively to inform customers and successfully leveraged credibility to close sales.
  • Coordinated with store leaders to meet sales goals and assisted in my areas of expertise.

Certifications

Education

Indiana Institute of Technology

B.S. Cybersecurity — GPA 3.8
Relevant coursework: Web Development I & II, Computer Science II, Web & Network Security, Script Programming, Network Design I & II, Intro to Server Systems, Digital Forensics, Defensive CyberOps, Disaster Recovery, and Database Systems.

Competitions