CHAPTER 3: KEY TERMS AND CONCEPTS
This book regularly refers to certain technical terms and concepts, which this section explains. For terms often used interchangeably, it also clarifies their distinctions.
Cyber security and information security
‘Cyber security’ and ‘information security’ are often treated as synonyms, when cyber security is in fact a subset of information security.
To start with the similarities, both cyber and information security are concerned with security on three fronts:
1. Confidentiality
Information assets and systems should only be accessible to those who need access to them.
2. Integrity
Information assets and systems should be protected from unauthorised modification, destruction and loss.
3. Availability
Information ...
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