Scott Carlson and Warren Arbogast celebrate Tech Therapy's two-year anniversary by rebroadcasting their first episode. They describe how college leaders can make their computer networks safer by reining in "maverick machines" and changing campus culture. (12:33)

Scott Carlson, a Chronicle reporter, and Warren Arbogast, a technology consultant who works with colleges, talk about the headaches, anxieties, and general problems you might be having with technology on your college campus. Look for new installments every other Thursday.