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1. Information system modeling
1.1 The networked company
The company's network infrastructure is based on a private local area network (LAN) and a more public remote area network (MAN and WAN), managed by shared services, usually offered by operators.
The transition from "proprietary" and "local" IT to a global, interconnected system is forcing companies to question their information security in the face of new internal and external vulnerabilities.
IT systems link together a wide variety of applications and data. The structuring of the system, or even its urbanization, is crucial to its security.
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Information system modeling
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The Ultimate Scientific and Technical Reference