You've heard all the buzzwords. Big Data. Mobility. The Cloud. Security. These four issues continue to vex IT at companies of every size around the globe. Which challenges are most pressing, and what should IT and LOB both be doing to resolve the challenges of the day?

To find out, IBM and Slashdot Media polled more than 500 visitors to Slashdot, using an online survey that asked what four technology trends or developments concerned them the most, and what things about each prompted that concern.