Such is the life of a computer professional -- stop studying and you become irrelevant. Roger Grimes fesses up to worrying about being exposed as a fraud. “I secretly live in fear that the person who thinks I’m an expert will ask me a question that will immediately reveal me for the fraud that I am,” Grimes writes. Then again, such is the life of a computer professional: Stop studying for two months and become irrelevant. “At the same time I’m constantly surprised by how many security experts, with years or even decades of experience, think they’re experts,” Grimes adds. Examples abound in The fallacy of expertise. Security