Worrying should be “about 10 percent” of a CSO’s time, says Dick Lefler, a crackerjack worrier in his own right. Worry is not a trait we are proud of, and not one we’d likely regard as constructive. “The goal of the “professional worrier” is to never recognize a threat too late, he says. The real reward for a security director is the absence of a problem, says Mr. Lefrer.”]