25 lines
685 B
Plaintext
25 lines
685 B
Plaintext
== Availability
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Availability is "the property of being accessible and usable on demand by an authorized entity." In other words, authorized persons should have access to permitted resources at all times.
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=== Examples that compromise availability:
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** denial-of-service attacks (DOS)
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** hardware failures
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** fire or other natural disasters
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** software or network misconfigurations
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=== Examples of methods ensuring availability
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** intrusion detection systems (IDSs)
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** network traffic control
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** firewalls
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** physical security of hardware and underlying infrastructure
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*** protections against fire, water, and other elements
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** hardware maintenance
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** redundancy
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