课程: ISC2 Certified Information Systems Security Professional (CISSP) (2024) Cert Prep

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课程: ISC2 Certified Information Systems Security Professional (CISSP) (2024) Cert Prep

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- [Instructor] As a security professional, you must also understand how to apply security controls that protect the availability of information and systems. As the third leg of the CIA triad, availability controls ensure that information and systems remain available to authorized users when needed. They protect against disruptions to normal system operation or data availability. Potential availability failures may result from malicious attackers, such as those conducting a denial of service attack to bring down a website. They may also come from component failures, such as the failure of a hard drive or power supply, or application failures, such as errors in code that cause a crash. They may also be the result of utility failures, such as a power outage that disrupts systems or a network disruption that prevents internet access. There are many controls that protect the availability of systems and information. One example of an availability control is the use of redundant components…

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