A must for working network and security professionals as well as anyone in IS seeking to build competence in the increasingly important field of security Written by three high?profile experts, including Eric Cole, an ex?CIA security guru who appears regularly on CNN and elsewhere in the media, and Ronald Krutz, a security pioneer who cowrote The CISSP Prep Guide and other security bestsellers Covers everything from basic security principles and practices to the latest security threats and responses, including proven methods for diagnosing network vulnerabilities and insider secrets for boosting security effectiveness