Threat Detection and Incident Response Intern (Summer 2026)

3 days, 6 hours ago
Internship
Entry Level
Cybersecurity
Cloudflare

Cloudflare

Cloudflare, Inc. is a leading web performance and security company that protects and accelerates Internet applications globally, enhancing performance and security without hardware or software changes.

IT Services
1K-5K
Founded 2009

Description

  • Execute a specialized 12-16 week security project that improves Cloudflare’s defensive posture.
  • Build and improve systems that help protect Cloudflare from malicious attacks.
  • Work with Incident Response Engineers to triage and respond to security alerts and incidents.
  • Engineer solutions to enhance incident response and security operations using automation and emerging technologies, including agentic AI.
  • Collaborate cross-functionally with Legal, People, Engineering, and Finance teams to embed security across the company.
  • Work closely with a mentor who provides hands-on guidance in the intern’s security domain.
  • Present the security project to the entire company at the end of the internship.
  • Write for the Cloudflare blog and participate in Cloudflare.tv sessions.
  • Learn from executives and leadership, including Cloudflare’s co-founders.

Requirements

  • Available for a minimum 12-week summer internship.
  • Able to work in the Lisbon office 3-5 days a week.
  • Understanding of attacker Tools, Techniques, and Procedures (TTPs).
  • Understanding of operating systems, SaaS applications, CI/CD, and common security tools.
  • Understanding of the Incident Response Lifecycle.
  • Proficiency in at least one scripting or programming language for automation.
  • Demonstrated critical thinking skills and ability to learn and adapt to new technologies.
  • Curiosity, empathy, and ability to get things done.
  • Passion for security and software development, such as personal projects, open-source contributions, or experience with Cloudflare for Students (bonus).

Benefits

  • Hands-on internship experience working with experienced security team members.
  • Mentorship and direct guidance in a specific security domain.
  • Opportunity to present work to the entire company.
  • Exposure to executives and leadership, including Cloudflare’s co-founders.
  • Chance to contribute to a company mission focused on protecting the Internet.
  • Opportunity to be featured in Cloudflare blog posts and Cloudflare.tv sessions.

Interested in this position?

Apply directly on the company website

Apply Now

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