The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://link.info.wembleystadium.com/u/nrd.php?p=$uid$_1_135138_1_3&ems_l=165001&i=1&d=MTI4ODgxNTA%3D%7CJTI0dWlkJTI0%7C%7C