<A target="_blank" href="http://www.pcworld.com/businesscenter/blogs/bizfeed/190043/how_to_stop_p2p_data_breaches.html?tk=rss_news">Peer-to-peer (P2P) networking has been around for years</A>. Unfortunately, what's being shared can be hard to track in a business environment. And when the P2P network has links to the internet, suddenly confidential data is available for all to see.