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Brian Desmond

Brian is a principal at Ravenswood Technology Group where he leads a team of professionals focused on delivering best-in-breed consulting services for the Microsoft security and identity management ecosystem. Brian has been recognized annually as a Microsoft MVP since 2003 and is the author of the fourth and fifth editions of Active Directory from O'Reilly.

10 Quick Identity Wins with Entra ID

[WEBINAR] 10 Quick Identity Wins with Entra ID Whether you’ve already purchased Entra ID (formerly Azure AD) Premium, or you’re thinking about it, you should have a plan to start [...]

Sidebar: Using the Security Descriptor Editor in LDP to Remove the Abstraction from the ACL

[ARTICLE] Sidebar: Using the Security Descriptor Editor in LDP to Remove the Abstraction from the ACL In this article for ITPro Today, Brian Desmond from Ravenswood Technology Group gives 4 [...]

Protecting Office 365 Data in a Modern World

[PRESENTATION] Protecting Office 365 Data in a Modern World This information in this presentation deck by Brian Desmond from Ravenswood Technology Group includes the following key takeaways: The traditional firewall [...]

Kerberos Delegation and Troubleshooting

[ARTICLE] Kerberos Delegation and Troubleshooting When things go wrong with Active Directory’s (AD’s) Kerberos implementation, troubleshooting can be a daunting task. Ninety-nine percent of the time, everything just works—so opportunities [...]

Active Directory: Designing, Deploying, and Running Active Directory, 4th Edition

[BOOK] Active Directory, 4th Edition To help you take full advantage of Active Directory, this fourth edition of this bestselling book by Brian Desmond from Ravenswood Technology Group gives you [...]

How Attackers Exploit Active Directory: Lessons Learned from High-Profile Breaches

[WEBINAR] How Attackers Exploit Active Directory: Lessons Learned from High-Profile Breaches Active Directory exploitation is the common thread in high-profile attacks, including Colonial Pipeline, SolarWinds, Hafnium. Every day we hear [...]

Kerberos in Active Directory

[ARTICLE] Kerberos in Active Directory Although Kerberos might seem like black magic to many systems administrators, it’s one of Active Directory’s (AD’s) key underpinnings. In this article for ITPro Today, [...]