Over the last ten years the global security market has grown nearly tenfold from some €10 billion to some €100 billion in 2011 with an annual turnover in the EU of around €30 billion. The security sector can broadly be subdivided into the following areas: aviation security, maritime security, border security, critical infrastructure protection, counter-terror intelligence (including cyber security and communication), physical security protection; and protective clothing.
http://www.statewatch.org/news/2012/jul/eu-com-security-industry-com-417-12.pdf