The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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.eventcreate.com/e/ruwfc-v-mtlfc?fbclid=IwAR3iMaX4a7tfRK1L9BxswEiQq_A_fxWm-5JlzeKZjJDU6vv7XdbQHKQRhNw