CME Group is committed to our customers’ information security. To deliver the best security and customer experience, effective Sunday, December 17, CME Clearing House applications will only support internet browsers that utilize Transport Layer Security TLS version 1.2. The older versions TLS 1.0 & TLS 1.1 will be disabled.
Please use below link for a complete list of impacted applications and to the updated browser standards supported by CME. http://www.cmegroup.com/tools-information/supported-browsers.html