The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://r.news.cro.ie/mk/cl/f/zVaHZg0rl_ba_A9Th2ecpsgh_3ZNnSDSlc7TOF9u3I9JAal-ESMhfPNzouHilM-OBW-N_frqYyr1JDLO0M613xhwmFBSP9iip6jDLP6BVld5jh2s-vSj-GzVlhgV8ITZDS7adgbqM-ENcKQpB1GVXB0zL1rpwEs