
Power Up Your Small-Medium Business
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protocols. The possible uses of such attacks are theft of information,
hijacking of an ongoing communication session (to gain access to private
network resources), gathering traffic analyses (to derive information
about a network and its users), instigating DoS, corrupting transmitted
data, and introducing new information into network sessions.
• Social engineering—This is obtaining confidential network security
information through nontechnical means, such as posing as a technical
support person and asking for people’s passwords.
External threats like these are not the only challenges to network security.