CHAPTER 9Introduction to Information Security and Identity Management

In medieval times, commerce was conducted in city-states that were well protected by city walls, weapons, and an army of guards and soldiers. In modern times, as commerce rapidly moved to a global marketplace, the goal of keeping potential participants out was replaced by the desire to invite and keep potential customers in.

In today’s business environment, we see a similar transformation—instead of keeping everything hidden behind proprietary, secure networks protected by firewalls, commerce is done on the public Internet, and every business plans to take advantage of the potentially huge population of prospective customers. Denying access to corporate information is no longer ...

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