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Come and be part of a dynamic team focused on securing cutting-edge AI and cloud technologies in a rapidly evolving threat landscape. We are leading new initiatives and research projects across AI Security, Identity Protection, and SaaS Defense, and this role offers a unique opportunity to help define the rules of the game. AI is transforming the way we interact with computers and machines and defining new cybersecurity problems and opportunities - we are looking for a Principal Researcher who can help us stay ahead of the curve. In this role, youll research and build defenses across AI systems, agentic protocols, Identity platforms, and SaaS applications. One day you might analyze a new class of AI prompt injection attacks or Agents abuse, the next youll be hunting through data or creating novel protection mechanisms for them. Youll work closely with product teams to turn research prototypes into real security features. Join our threat protection research team and be part of a team who contributes to Microsofts most advanced and innovative security solutions. Our mission is to help everyone to counter cyber threats by strengthening their security capabilities across their entire environment, including Identities, Agentic AI systems, Cloud and Applications. Microsofts mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond
Responsibilities
Research and develop detection methods for new and advanced attack techniques -from exploits to implants. Build end-to-end PoCs, from offensive testing to scalable detection, across all our cloud and identity platforms. Stay up to date on the latest attack trends and build strong detections across the kill chaincovering agentic AI & LLM threats, cloud and identity-based attacks. Collaborate with multiple product and engineering teams to design the next iteration of security products, implement detection ideas and validate their effectiveness using a data-driven approach. Collaborate with data science teams to drive ML based protections, understand, and identify detection gaps, capabilities, assumptions, and improvements. Provide cybersecurity expertise as needed during security escalations and incidents to help protect Microsoft and our customers.