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Chapter XIV. Security Management in an E... > Security Tools and Technologies

Security Tools and Technologies

The following taxonomy is useful in understanding the security systems, technologies and authentication tools widely available to support secure transmission and storage of information in a networked e-business environment.

Firewalls

Firewalls are used to keep a network secure from intruders. A firewall is a network node consisting of both hardware and software that isolates a private network. In order to understand how a firewall works, one should have an understanding of packets, IP addresses and DoS attacks. However, very simply, it is explained with Hazari’s (2000) description:


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