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ReactiveZero
Western Europe

Remote Internship: AI-Powered Offensive Security (HBO)

Eindhoven, Netherlands
2026-07-11

Role Description

ReactiveZero is an offensive security company specializing in authorized penetration testing and responsible disclosure. We are looking for an HBO intern to help us apply artificial intelligence to the way security assessments are performed. The goal of this internship is practical: use AI to automate and accelerate the technical work behind a penetration test, so our team can focus on the assessments that require human expertise. #What you will work on IMPORTANT: We are open to receiving your own project proposal. • Automating reconnaissance: building pipelines that discover hosts, subdomains, and exposed services, collect and analyze application code, and map the attack surface of a target. • Assessing large codebases: using language models to review repositories at scale and surface vulnerabilities, insecure patterns, and areas that require closer inspection. • Automating reporting: converting raw testing evidence such as requests, responses, and screenshots into structured, client ready findings. • Improving internal tooling: connecting these components into workflows the team uses on real engagements. Who we are looking for • An HBO student in Cyber Security, HBO-ICT, Artificial Intelligence, Applied Data Science, or a comparable program. • Comfortable scripting, preferably in Python, with a genuine interest in applying language models to real problems. • An analytical mindset and a structured approach to problem solving. • A strong understanding of ethical and authorized security work. #What we offer • Direct involvement in real security engagements where AI and cybersecurity meet. • Mentorship from experienced penetration testers. • Ownership of a clearly defined project from start to finish. #How to apply Send your CV and a short motivation to info@reactivezero.com or fill the contact for on https://reactivezero.com. Relevant project or portfolio work is welcome. ReactiveZero. Minimum Privilege, Maximum Reach

Remote Internship: AI-Powered Offensive Security (HBO)

ReactiveZero

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