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@JKasteele
JKasteele
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Jesse van de Kasteele JKasteele

Cyber Security Engineer @ NewCold · Associate of ISC2 (CISSP) · CTI · OSINT · Ethical Hacking · exploring AI security & governance 🛡️🤖

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JKasteele /README.md

Hi, I'm Jesse 👋

Cyber Security Engineer @ NewCold · Breda, Netherlands 🇳🇱

Security engineer working at the intersection of cybersecurity and AI — moving from traditional security toward AI security & AI governance, with a focus on building practical tooling that makes AI adoption both defensible and auditable.

🛡️ What I work on

  • Security Operations (SecOps)
  • Security Awareness
  • Email security
  • Endpoint security
  • AI security

🤖 AI governance — my focus

  • Delivered a full EU AI Act high-risk assessment for an AI-powered HR app: risk assessment · DPIA · bias audit
  • Building AI Act Companion — an open-source toolkit mapping systems against the EU AI Act & NIST AI RMF (open-sourcing soon)

🎓 Credentials

  • BSc Cyber Security & Cloud — Hogeschool Utrecht
  • Associate of ISC2 (passed the CISSP exam)
  • AI Security Foundation (S-AISF) — SECO-Institute
  • CompTIA SecAI+in progress

🧰 Tech & focus

Python · PowerShell · AI security · LLM red-teaming · SecOps · SIEM · Microsoft Intune · Docker

Currently going deep on OWASP LLM Top 10, MITRE ATLAS, and Garak / PyRIT.

📫 Connect

LinkedIn

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