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Network Security Paper
University of Phoenix
NTC/360
August 9, 2005


Installing firewall or anti-virus software on enterprise workstations can help prevent some of the security problems the Internet can cause; but not everything. By understanding the different Open Systems Interconnect (OSI) levels and security threats involved with each one of them, it is easier to plan a strategy to combat security problems.
Purpose and Scope
To cover all areas I have listed the network security measures that are associated with each level of the Open Systems Interconnect (OSI).
Physical layer
This layer is responsible for moving raw bits from one node to another: electrical impulse, light or radio signals. This layer represents the physical application security. It includes access control, power, fire, water, and backups. Many of the threats to security at the Physical layer cause a Denial of Service (DoS) of the enterprise application, making the application unavailable to......

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Approximate Word Count: 980
Approximate Pages: 4 (250 words per double-spaced page)

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