Bastiaan Verdonk
Bastiaan Verdonk is a seasoned IT professional with over 30 years of industry experience, specializing in Identity Threat Detection & Response (ITDR), Active Directory, and cybersecurity resilience. For more than two decades, he has played a key role at Quest Software, helping global clients implement Quest’s solutions and strengthen their identity infrastructure.
A recognized thought leader and speaker, Bastiaan has recently presented at the 2025 Gartner Identity & Access Management Summit and Quest’s The Experts Conference (TEC), sharing practical insights on identity security best practices in hybrid AD environments. He continues to contribute to the cybersecurity community through webinars, co-hosting Practical365.com podcasts, and industry forums, where he shares his expertise in identity threat detection and Active Directory defense.
