The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://www.google.com/podcasts?feed=aHR0cHM6Ly93d3cuc3ByZWFrZXIuY29tL3Nob3cvNDI3OTU1OC9lcGlzb2Rlcy9mZWVk