The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://reporting.healthxchange.com/cgi-bin/view?a+18543+71741+174+cKSH%3D%24TlHv4H%24ZE%3DP4_W+3693450+0MM30M%208Kg%3D4l%20l_%20d%24lK%3DZl%20Iwd+0MM30M%20Iwd%208Kg%3D4l0d%24lK%3DZl