The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.norfolkfa.com%2F&data=05%7C01%7Cmark.camidge%40chaplinfarrant.com%7C614eba0bc6364b14060208da97deb46e%7C9b3fb16fc7c54e18aa2fb15e16a8ec8c%7C0%7C0%7C637989280048262824%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=CVpdB4ijHbpuxHKqQAp0AVoYlKDpIOZox%2BFVUpx52HE%3D&reserved=0