Threat Detection and Incident Response Intern (Summer 2026)

Available Locations: Singapore
About Cloudflare's Security Team
Security is at the heart of Cloudflare's mission to help build a better Internet. Anytime we push code, it automatically affects the millions of Internet properties (powering websites, remote teams, APIs, mobile apps, etc.) running on our global network. Cloudflare's network is one of the largest in the world, spanning over 330 cities in more than 125 countries, and operating within 50 milliseconds of 95% of the Internet-connected population.
The Threat Detection and Security Incident Response teams are responsible for identifying, understanding, detecting, and responding to threats targeting Cloudflare.
About the Internship Program
The ideal Security intern is passionate about making the Internet a more secure place. You will work alongside experienced security team members to partner with them in planning, executing and overseeing initiatives that help improve Cloudflare's security posture. We are looking for interns who are curious, proactive, and able to approach problems with a "security-first" mindset. This is a unique opportunity for candidates who want to learn how to defend systems at a scale that few other companies can offer.
What would you do as a Cloudflare intern?

• Execute a specialised security project over 12-16 weeks that directly improves Cloudflare's defensive posture.
• With a focus on threats and how they operate, work to build and improve systems that are the front lines of protecting Cloudflare from malicious attacks.
• Work with Incident Response Engineers to triage and respond to security alerts and incidents.
• Use the latest technologies and techniques to engineer solutions to enhance incident response and security operations. Including automation, agentic AI and others
• Work cross-functionally with Legal, People, Engineering, and Finance teams to integrate security into the fabric of the company.
• Work closely with a mentor who will provide hands-on guidance in your specific security domain.
• Present your security project to the entire company at the end of the internship.
• Connect and learn from our executives and leadership team including our co-founders.
• Write for our Cloudflare blog and be featured on Cloudflare.tv sessions.

You can check out our internship blogs to learn more about our program and hear directly from our past interns.
Examples of desirable skills, knowledge and experience

• 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/programming language for automation.
• Demonstrated critical thinking skills and drive to learn and adapt new technologies.
• Curiosity, empathy and ability to get things done.
• Ability to commit to a minimum 12 week summer internship.
• In office 3-5 days a week in the location of the internship

Bonus: Demonstrated passion for security & software development, such as personal projects, open-source contributions, or experience with our developer platform using Cloudflare for Students.