Express Learning: Introduction to Information Technology

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Computer Security

1. Define the term ‘computer security’. What aspects are responsible for effective computer security?

Ans.: Computer security refers to the protection given to computers and the information contained in them from unauthorized access. The practice of computer security also includes policies, procedures, hardware, and software tools that are necessary to protect the computer systems and the information processed, stored, and transmitted by the systems. It involves the measures and controls that ensure confidentiality, integrity, and availability of the information processed and stored by a computer. These three aspects are responsible for effective computer security and are described as follows:

Confidentiality: It ensures ...