Gartner Expert

Dennis Xu

Sr Director Analyst

Dennis Xu is a Senior Director Analyst with Gartner for Technical Professionals (GTP) on the Security and Risk Management team. He covers ChatGPT & Generative AI security, cloud security topics that include Security Service Edge (SSE), Cloud Access Security Brokers (CASB), SaaS Security Posture Management (SSPM), Microsoft Office 365 Security, AWS Security, Microsoft Azure Security, CSPM, CWPP, and CNAPP.

Previous experience

Mr. Xu has more than 20 years of experience in the IT security industry across financial, healthcare, telecommunication, and managed security service providers. He has served as Director of Cloud Security and developed a cloud security strategy and control framework for a large bank. He has worked as a Security Architect and Security Advisor covering AWS, Azure, Cloud Foundry, Mobile Security, Micro-Segmentation, SIEM, Threat Risk Assessment, and Security Reference Architecture.

Professional background

RBC Royal Bank

Director Cloud Security

Bank of Nova Scotia

Senior Security Advisor

Health Shared Services Ontario

Security Architect

Areas of coverage

Security Technology and Infrastructure for Technical Professionals


Bachelor's Degree, Electrical Engineering, Shanghai Jiao Tong University

Read More Read Less

Top Issues That I Help Clients Address

1ChatGPT & Generative AI Security

2Security Service Edge (SSE)

3Cloud Security (IaaS, PaaS, SaaS), CSPM, CWPP, CNAPP

4Cloud Access Security Broker (CASB), SaaS Security Posture Management (SSPM)

5Microsoft Office 365 Security