The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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=$uid$_1_1249629_1_11&ems_l=1663601&d=OTY1NzIxNTg%3D%7CJTI0dWlkJTI0%7C&_esuh=_7_2ba1c53bbfa4d7209ce38323407794952c6320d09a0d5af872d8a7501282f385