Energy security does not depend upon just the supply but also the transportation infrastructure, much of which are pipelines. Pipelines can be vulnerable to attack, particularly in Turkey where 22,000 km of pipelines carry 4% of the world's daily oil production. In addition to terrorism, there are other threats to pipelines. Unless it is willing to post guards at every ten meters, a company will have to take measures to allocate resources to meet the highest risk. This article discusses the BTC approach to pipeline security.