Q

What is a SID (Security ID)?

What is a SID (Security ID)?

SID stands for security identifier and is an internal value used in Microsoft NT systems to uniquely identify a user or a group. A SID contains:

  • User and group descriptors
  • Revision level
  • 48-bit ID authority
  • Variable sub authority values

For more information go to Micosoft SDK documentation.

Editor's note: Do you agree with this expert's response? If you have more to share, post it in our .vZOeapWAece^0@.ee83ce2!viewtype=&skip=&expand=>Administrator Central discussion forum.

This was first published in February 2002

Dig deeper on Secure data storage

Pro+

Features

Enjoy the benefits of Pro+ membership, learn more and join.

Have a question for an expert?

Please add a title for your question

Get answers from a TechTarget expert on whatever's puzzling you.

You will be able to add details on the next page.

0 comments

Oldest 

Forgot Password?

No problem! Submit your e-mail address below. We'll send you an email containing your password.

Your password has been sent to:

-ADS BY GOOGLE

SearchSolidStateStorage

SearchVirtualStorage

SearchCloudStorage

SearchDisasterRecovery

SearchDataBackup

Close