The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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.multiculturalaustralia.org.au/r?u=34jMKlyuz--CQC6RpB8YOqvghHFDExzorALAud-DsgJzflYZ4AJngrCJqU8kvxkavzmQ6F-SvOKZLEcs5TTw6W2ip9nEGiKTlVEvKB4Dfy33BEpm1maQbUpckcAU6MfIfZNfkrECkmDTUXurXiGHFA&e=63059713d6e13441670720e119dc9c43&utm_source=mda&utm_medium=email&utm_campaign=covid_19_weekly_update_150520&n=4