The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://urldefense.com/v3/__http:/www.comicrelief.com/__;!!GahIEkFg!l1ioNFNk7vDfGaxomph_tPRo_F7Y9Ii96eFVdw12qXCJaeGW1nsc7h7LGh7qN53evd6gdZ0QM-2psg$