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3.0 Infrastructure Security
In this section, we’ll talk
about the components of a network, and the security implications of
them. We’ll also discuss security-related processes such as intrusion
detection and increasing the security of networks, operating systems
and applications, which is known as “hardening”. This section
is a practical look at what you want to consider when securing your
network -- everything from the bits and bytes traveling across a network
cable to the server applications running on it.
“Why cover everything from hardware
devices to applications in a single section?” you might ask. Well,
to partly reinforce the point that a network is only as secure as its
least secure component. You can have the most secure Internet gateway
whatsoever, but, if one random user has installed a modem on her PC
and uses that modem to connect to her personal Internet account, your
internal network is exposed.
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CertiGuide for Security+ (http://www.CertiGuide.com/secplus/) on CertiGuide.com
Version 1.0 - Version Date: November 15, 2004
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