There's a general uneasiness about the level of security in the supply chain. (Take our new poll to give us a better sense).
Some of this uneasiness surrounds the information chain that exists between you and your supply chain partners. (See: Supply Chain's Information 'Black Hole'.)
Another aspect of the anxiety comes from what we know is relentless hacking of computer networks. Here's an infographic that helps put it in scary context. You may be surprised at the biggest culprit: