The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://procontract.due-north.com/Advert?advertId=53bbe6a1-2b97-e911-80f8-005056b64545&p=1c381835-7581-e611-8114-000c29c9ba21