The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyoutu.be%2Flhaox_6qtKM&data=05%7C01%7Cdianne.akurangi%40tdh.org.nz%7C1432baf54681442a8c5b08dab7ab4b99%7C01af191e977c4e1e99ca984af1eb91c1%7C0%7C0%7C638024243591868590%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=uS7JjA7y3mJEJP8T0jbboacYfgOoKnaOw89YQM5fNxc%3D&reserved=0