The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.
https://link.service.thefa.com/u/nrd.php?p=Sp2kgpoICp_15944_1761890_1_3&ems_l=2434256&d=MTU0MTc4ODIx%7CU3Aya2dwb0lDcA%3D%3D%7C&_esuh=_11_7df4d3a3f7ff52e1839f22d988bca61259e5e190f10fc780aadfb40d9a96fa7b