Threat Researcher Intern - Summer 2026 at CrowdStrike in Bucharest, Romania

About CrowdStrike

CrowdStrike is a global leader in cybersecurity, protecting the people, processes, and technologies that drive modern organizations. Since 2011, our mission has remained unwavering: stop breaches before they occur. We've redefined modern security with the world's most advanced AI-native platform, the Falcon platform, which delivers cloud-native protection powered by cutting-edge artificial intelligence and machine learning. Our customers across all industries rely on CrowdStrike to keep their businesses running, communities safe, and lives moving forward. As a mission-driven company, we foster a remote-first culture that empowers every CrowdStriker with flexibility and autonomy to own their careers. We're passionate about innovation, customer success, and building a community where talent thrives.

Role Overview

The Threat Researcher Intern position for Summer 2026 in Bucharest, Romania, offers university students and recent grads a paid opportunity to dive into cutting-edge cybersecurity research. Join the CrowdStrike Data Science Team, focused on identifying and analyzing threats to artificial intelligence systems. As a Threat Researcher Intern, you'll drive efforts to enhance our security posture in the AI ecosystem by researching emerging threats, vulnerabilities, and gaps, while prototyping innovative solutions. This role bridges AI and IT security, providing hands-on experience with the Falcon platform and real-world impact on customer products. Work closely with seasoned professionals in a structured program designed to cultivate future industry leaders.

Key Responsibilities

In this dynamic internship, you'll contribute directly to CrowdStrike's threat intelligence efforts. Key responsibilities include:

• Staying abreast of emerging technologies in the Threat Research space to anticipate new risks.
• Researching blind spots in our ML-based detections, such as novel file formats and attack types, and authoring insightful blog posts to share findings.
• Writing code for Proof of Concept projects derived from in-depth threat research, leveraging Python and other tools.
• Collaborating with senior leaders to lead impactful projects, educate teams, bridge knowledge gaps, and secure buy-in for innovative solutions.
• Contributing to the continuous improvement of our AI security defenses within the Falcon platform ecosystem.

Qualifications & Requirements

We're seeking motivated students with a passion for cybersecurity and AI. Essential qualifications include:

• Strong understanding of machine learning algorithms.
• Above-medium proficiency in programming languages, especially Python.
• Effective communication skills for presentations, writing, and discussions.
• Fundamental knowledge of malware analysis and current/emerging threats.
• Demonstrated practical security research skills.
• Currently enrolled in Computer Science, Information Security, or a related field.

Bonus points for experience with static/dynamic analysis tools like IDA, x64dbg, radare2, reverse engineering, or additional Python projects. If you're eager to apply your skills in a fast-evolving field at the intersection of AI and cybersecurity, this is your chance to shine.

Benefits & Perks

CrowdStrike offers an unmatched internship experience with premium benefits tailored for growth and well-being:

• Market-leading compensation and equity awards, competitive for the cybersecurity sector in Romania.
• Paid holidays, including birthday holidays, plus 401k matching where applicable.
• Professional development through workshops, tech talks, and the Executive Speaker Series.
• Assigned mentors from across the company for ongoing support and feedback.
• Participation in companywide initiatives like FalconFIT fitness programs, wellness resources, and Employee Assistance Programs.
• Employee Networks, geographic groups, and volunteer opportunities to build meaningful connections.
• Vibrant office culture in Bucharest with world-class amenities, aligned with our remote-first philosophy.

Great Place to Work Certified™ globally, CrowdStrike prioritizes belonging, diversity, and inclusion.

Career Growth

Our University Recruiting program is built for long-term success. As a Threat Researcher Intern, you'll own impactful projects that advance CrowdStrike's mission to stop breaches. Gain exposure to senior leaders, prototype real solutions integrated into the Falcon platform, and develop skills in threat research, AI security, and malware analysis. Mentorship, structured feedback, and professional development ensure you emerge ready for full-time roles. Many interns transition into permanent positions, launching careers in one of the industry's most innovative companies. Embrace a remote-first culture that supports work-life balance while driving career autonomy.

Why Join CrowdStrike

Joining CrowdStrike means aligning with a company at the forefront of cybersecurity innovation. Our Falcon platform stops breaches with AI-powered precision, serving enterprises worldwide. In Bucharest, you'll contribute to global threat research while enjoying Romania's vibrant tech scene. We're committed to equal opportunity, supporting veterans and individuals with disabilities. With a fanatical focus on customers, community, and each other, CrowdStrike offers limitless passion and relentless innovation. The future of cybersecurity starts with you—apply for the Summer 2026 Threat Researcher Intern role and help stop breaches today.

Role FAQs

Is this a paid internship?

Yes, it offers market-leading compensation and equity awards.

What is the duration?

This is a Summer 2026 internship, providing structured exposure over the summer period.

Do I need prior experience in reverse engineering?

It's a plus, but fundamental malware analysis knowledge and Python skills are key.

Is the role remote?

Based in Bucharest with our remote-first culture offering flexibility.

How do I apply?

Submit your application through our careers site; contact recruiting@crowdstrike.com for accommodations.