Computer expert struggles to foil massive Internet attack in new novel

In Counting from Zero a computer security expert named Mick O’Malley must track down and thwart an enormous botnet, or network of zombie computers organized to receive commands over the Internet and perform the hacker’s bidding. The novel, by Alan B. Johnston, who teaches engineering courses at Washington University in St. Louis, is both a fast read and a chilling tutorial on the the increasingly serious threats to computer security.