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You're reading from  Mastering Active Directory, Third Edition - Third Edition

Product typeBook
Published inNov 2021
PublisherPackt
ISBN-139781801070393
Edition3rd Edition
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Dishan Francis
Dishan Francis
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Dishan Francis

Dishan Francis is an IT professional with over 15 years of experience. He was a six-time Microsoft MVP in enterprise mobility before he joined Microsoft UK as a security consultant. He has maintained the RebelAdmin technology blog over the years, with lots of useful articles that focus on on-premises Active Directory services and Azure Active Directory. He has also written for other Microsoft-managed blogs such as canitpro and ITopsTalk. When it comes to managing innovative identity infrastructure solutions to improve system stability, efficiency, and security, his level of knowledge and experience places him among the very best in the field.
Read more about Dishan Francis

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The Protected Users security group

The Protected Users security group was introduced with Windows Server 2012 R2 and continued in Windows Server 2022. This group was developed to provide highly privileged accounts with better protection from credential theft attacks. Members of this group have non-configurable protection applied. To use the Protected Users group, the Primary Domain Controller (PDC) should be running with a minimum of Windows Server 2012 R2 and the client computers should be running with a minimum of Windows 8.1 or Windows 2012 R2.

If a member of this group logs in to Windows 8.1, Windows Server 2012 R2, Windows 10, Windows Server 2016, Windows Server 2019, or Windows Server 2022, then we can expect the following:

  • Members of this group cannot use NTLM, digest authentication, or CredSSP for authentication. Plain-text passwords are not cached. So, any of the devices using these protocols will fail to authenticate to the domain.
  • Kerberos's long...
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Mastering Active Directory, Third Edition - Third Edition
Published in: Nov 2021Publisher: PacktISBN-13: 9781801070393

Author (1)

author image
Dishan Francis

Dishan Francis is an IT professional with over 15 years of experience. He was a six-time Microsoft MVP in enterprise mobility before he joined Microsoft UK as a security consultant. He has maintained the RebelAdmin technology blog over the years, with lots of useful articles that focus on on-premises Active Directory services and Azure Active Directory. He has also written for other Microsoft-managed blogs such as canitpro and ITopsTalk. When it comes to managing innovative identity infrastructure solutions to improve system stability, efficiency, and security, his level of knowledge and experience places him among the very best in the field.
Read more about Dishan Francis