Dated July 31, 2014, this article needs our attention. Ward Stanke says, "It looks pretty scary." http://www.macrumors.com/2014/07/31/usb-security-threat/ Read about the flaw that evades all known security measures used by a computer. This matter is to be discussed at a conference next week in Las Vegas. The Black Hat USA 2014 website is here: https://www.blackhat.com/us-14/