P2P networks are widely used to share music, video and data files over the Internet. Documents about Marine One’s avionics were found in a shared folder on a computer in Tehran, Iran. The Iranian IP address at which the file was found belongs to an “information concentrator” who searches for sensitive information. This is not the first time that highly classified and sensitive information has been discovered on file-sharing networks. Such disclosures point to the continuing risk companies face, security experts say.”]