Marine One blueprints and avionics leaked to Iran through peer-to-peer network

Thanks to a defense contractor's errant use of a peer-to-peer file-sharing network, President Obama's helicopter may not be as safe as it looks.

A Pittsburgh-area company that monitors peer-to-peer networks accessed with file-sharing software like LimeWire and Napster says it has identified a potentially serious security breach involving Marine One and an IP address in Tehran, Iran.