The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://photos.google.com/share/AF1QipM0fsstA0KTcpj-kx-LrlK4IdsIblPnmHng69GTfVCRb-UqDNAaju3bHv3xVFbvLw?key=Wm9DUjFiSVlyNTV6SDZnV2NsM0xYNGg2MFVoLUFn