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Gartner Expert
Dennis Xu
VP Analyst
Dennis Xu is a Research Vice President with Gartner for Technical Professionals (GTP), specializing in cybersecurity. His research focuses on securing AI agents and AI systems, as well as managing the security risks associated with frontier AI models. His key areas of market coverage include AI Security Platforms (AISP), AI Usage Control (AIUC), and AI Application Security (AIAS). Dennis also covers Microsoft Agent 365 and Microsoft 365 Copilot security.
Previous experience
Mr. Xu has more than 20 years of experience in the IT security industry across the financial services, healthcare, telecommunications, and managed security services sectors. He has served as Director of Cloud Security, where he developed the cloud security strategy and control framework for a large financial institution. He has also held roles as a Security Architect and Security Advisor, with expertise spanning AWS, Microsoft Azure, Cloud Foundry, mobile security, micro-segmentation, SIEM, threat and risk assessment, and security reference architecture.
Professional background
RBC Royal Bank, Director Cloud Security, 4 years
Bank of Nova Scotia, Senior Security Advisor, 1 years
Health Shared Services Ontario, Security Architect, 2 years
Areas of coverage
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Security Technology and Infrastructure for Technical Professionals
Education
Bachelor's Degree, Electrical Engineering, Shanghai Jiao Tong University
Top Issues That I Help Clients Address
AI Security
SaaS Security Posture Management (SSPM)
Secure the Usage of Microsoft 365 Copilot