The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://r20.rs6.net/tn.jsp?f=001iSRgHavnFTWffceSXosN4tPX2DIqpO3b-WNsus63MwCQ6gVhQT7MVwEUjg5Qd8P2tTaoBm4LBXDaSZ20ifmAu1qVgSUYum9qOIGaWDlFRbhQJ658ST3uOxQi6w4OOwGOlLFjqDw7ZSdl_bKSUpTlES5wqohhBqPxG6OjKMRPhxIcbhLu-P1iLXr-Lbmczz6B1UOEZrUM3R5qClYj6uELlQ==&c=AMai9RYgSsFs8K_m7Oy2Jgr9pBWIFDJDaiS3BzyNO8jTAANzlt363w==&ch=sRVabPugQjKWcu2K-dytSBI0w6D2n7x5FkVJfY2f9o1FiNVWKuf78w==