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Check if the current user belongs a specific Windows group/roleTag(s): Security Powerscript

You can connect to the ActiveDirectory or use some API but an easy way is to use a connection to SQL Server. Send the query :
SELECT is_member('mydomain\g_dept')
and the result can be
0     Current user is not a member of group or role. 

1     Current user is a member of group or role. 

NULL  Either group or role is not valid.