Dr Nestori Syynimaa is a Principal Identity Security Researcher at Microsoft Threat Intelligence Center. He has over a decade of experience with the security of Microsoft cloud services and is known as the creator of the AADInternals toolkit. Before joining Microsoft in early 2024, Dr Syynimaa worked as a researcher, CIO, consultant, trainer, and university lecturer for over 20 years.

Dr Syynimaa has spoken in many international scientific and professional conferences, including IEEE TrustCom, Black Hat USA, Europe, and Asia, Def Con, RSA Conference, and TROOPERS.