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Introduction to Information Technology, 2nd Edition by ITL Limited ITL Education Solutions Limited

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Chapter 19

Computer Security

 

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This chapter provides a foundation to understanding computer security. It is defined as technological and managerial procedures applied to the computer systems to ensure the availability, integrity and confidentiality of information against unwanted access, damage, and modification. The chapter begins with a brief overview of computer-related security aspects. It further gives an insight into the malicious programs that affect the computer system. The discussion continues on various techniques (cryptography, digital signature) that play an important role in transmitting data securely over the Internet. Firewall ...

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