The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.
http://www.marriott.com/meeting-event-hotels/group-corporate-travel/groupCorp.mi?resLinkData=KEA%5ESDFSD%60KEAKEAA%7CKEAKEAB%60145%60USD%60false%601%604/4/16%604/8/16%603/14/16&app=resvlink&stop_mobi=yes