Book excerpt: This updated bestseller features new, more focused review material for the leading computer security certification-the Certified Information Systems Security Professional, or CISSP The first book on the market to offer comprehensive review material for the Information Systems Security Engineering Professional (ISSEP) subject concentration, a new CISSP credential that's now required for employees and contractors of the National Security Agency (NSA) and will likely be adopted soon by the FBI, CIA, Department of Defense, and Homeland Security Department The number of CISSPs is expected to grow by fifty percent in 2004 The CD-ROM includes the Boson-powered interactive test engine practice sets for CISSP and ISSEP