Securing information is at the forefront of many executives' minds, and for good reason. Every day news reports document information security incidents that cost corporations significant time and money to resolve, often at the expense of their brands and reputations. Public attention has generally focused on preventing harm to networks by creating an impenetrable perimeter to keep the bad outsiders at bay. Reality demonstrates, however, that the network is highly susceptible to threats that originate within the perimeter, as well as threats that make it through a perimeter that is, in today's environment, highly vulnerable and porous and cannot feasibly be made impenetrable. The Definitive Guide to Security Inside the Perimeter describes many of these insider threats, as well as best practices for guarding against them.

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