Information Security is a set of strategies for managing tools and
policies necessary to prevent unauthorized access, use, disclosure,
disruption, modification, inspection, recording or destruction of
information. Providing security for the information from unauthorized
access on the communication channel is called as network security.
Providing security for the information residing on computer by
applying tools is computer security. These tools are required for
providing the protection of a computer if the computer associated to the
distributed architecture. To provide the network security it is essential to
provide the security for computer.
The network security encompass of procedures to detect, prevent
and make correct the violations in security during information
transmission. Intrusion detection system, sniffers and firewalls are
the tools for providing the network security.
