The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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.crowneplaza.com/redirect?path=hd&brandCode=CP&localeCode=en&hotelCode=NCLSQ&rateCode=ILYQO&_PMID=99502056&corporateNumber=786902349&viewfullsite=true