string sysName = "";
string sysUser = "";
string userGroups = "";
string AuthenticationType = "";
sysName = System.Security.Principal.WindowsIdentity.GetCurrent().Name.ToString();
sysUser = System.Security.Principal.WindowsIdentity.GetCurrent().User.ToString();
userGroups= System.Security.Principal.WindowsIdentity.GetCurrent().Groups.ToString();
AuthenticationType = System.Security.Principal.WindowsIdentity.GetCurrent().AuthenticationType.ToString();