2.3.1 Availability
Availability is a broad term as it comprises many aspects. It is defined as a computer resource
which makes the information objects available (Hedenstad, 2009). Or according to Bottino and
Hughes (2006) “It is the state of being ready to use. The attribute of availability is specified as
being approachable and it prevents the denial of service issues”. In information security,
availability means to have information available for the valid users and if the information is not
present then confidentiality and integrity have no use (Furssell, n.d.).
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