"Hacker's Challenge" will consist of 20-25 hacking scenarios followed by the solution for each. The challenges/chapters are organized by increasing levels of complexity, and covers many hot topics, including Web content, VPNs, Denial of Service, wireless issues, e-commerce, email attacks and more. It includes input from top names in the industry - in addition to Mike Schiffman, consultants from the top security firms, such as Guardent, Foundstone, @Stake, , In-Q-Tel, Arbor Networks, LoudCloud and more contribute their expertise. It is intended for a broad audience - "Hacker's Challenge" is for anyone who wants to solve the latest hacking challenges. It.