Thursday 3 October 2019

What is Cyber Security and Information System?

What is Cyber Security?

Cyber Security is the body of technologies, processes and practices designed to protect network, computer program and data from attack, damage or unauthorized access of system.
Cyber Security = Information system + Network

What is Information System?

 Information + system = Information System

In IS some data with specific meaning, system is an arrangement of the devices takes input and produce output after processing the data or information is called information system.

Information System

Four pillar of Cyber Security:

There are 4 main basic pillars to maintain the security in a system.

  1. Integrity
  2. Confidentially
  3. Reliability (Availability)
  4. Authenticity


data received at receiver end is original packet without any modification.


packets are transfer at  the specific user. Privacy maintains.


Systems are available for the user and reliable in nature.

4-  Authenticity:

Each and every process involve in a system are authenticated by system.

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