Security, DevNet, and Advanced Services have been developing a number of capture-the-flag (CTF) activities that will be running each day of Cisco Live! US. The first year for the Talos Threat Research Summit, which will take place on Sunday, June 10th. There is no pre-registration required. Just walk up, dive in, and most of all, have fun. Be sure to check the session catalog for the latest scheduling information and whether registration is required.”]
Source: https://blogs.cisco.com/security/join-us-for-capture-the-flag-at-ciscolive-orlando