This script is Copyright (C) 2011-2013 Tenable Network Security, Inc.
An antivirus program is installed on the remote host, but the program
does not function properly.
There is a problem with the installation of the Apple XProtect
application on the remote Mac OS X host - either updates are not enabled
/ running or its definitions are out of date.
See also :
Make sure updates are working and the associated services are running.
Risk factor :
Critical / CVSS Base Score : 10.0