The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.
http://www.iaasa.ie/getmedia/86425ead-7e1e-4f2f-91a9-fe560dedb6b8/2020_04_17-esma32-51-370_qas_on_esma_guidelines_on_apms.pdf