Craig Birch is a Principal Security Engineer with Tenable supporting Public Sector and Enterprise Accounts with a primary focus on Active Directory security. He has over 20 plus years of real world knowledge in Active Directory architecture and operations. His broad areas of expertise include Active Directory architecture, AD migrations, identity management, Azure AD, and Office 365 technologies. Prior to joining Tenable, Craig has helped organizations architect, build, and secure Active Directory and Office 365 environments.