The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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_2657533_1_5&ems_l=3694861&d=MjU3NDI3MDkz%7CJTI0dWlkJTI0%7C&_esuh=_11_63a91c32a1e7e9cc3f3fc051a912243d6918cecf2e89d652a39b597fd32a8c0c