The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://mbie.zoom.us/rec/share/qRMot8B-HKRVs_cnEZnzaGwTJgqIfBQSI3bpg0OpzG88KAfnSRd7HT74rNnGDhxg.uR-1dE9yeKusPXOP