The Counter Terror Expo, at the Olympia Exhibitions & Conference Centre in London, is an event to mitigate threats, protect against terrorist attacks and understand current modern day risks.
Electronics-related workshops include the "Access Control, ID and Bioemtrics Workshop" and the "Perimeter Protection & Intrusion Detection Workshop".
Source:
http://www.electronicsweekly.com/Articles/2013/04/09/55905/electronics-related-counter-terror-expo-comes-to-olympia.htm