The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.
http://3v44r.r.bh.d.sendibt3.com/mk/cl/f/fllzYXUDaYO4j-Q2C6hMfNx0b2hO6rH8fmZeowfwkaobXoo68LvDs_YGPiw_XXElvjbMq7BLSrOKVDWISdVF-KhkIMvYA8iLgtck1Ctmqqif6zz_r4TkDd2kN-NfB-8j8PSqnQG55cpJwxPIfmzFZNGWP_kTA0_JK-yglI_F3m_nRprlMtGgF8Aq