The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://www.eventbrite.ie/e/launch-of-the-d8-social-enterprise-strategy-and-survey-tickets-131609757327?utm-medium=discovery&utm-campaign=social&utm-content=attendeeshare&utm-source=strongmail&utm-term=listing