From the course: CompTIA Advanced Security Practitioner (CASP+) (CAS-004) Cert Prep

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Resiliency issues

Resiliency issues

From the course: CompTIA Advanced Security Practitioner (CASP+) (CAS-004) Cert Prep

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Resiliency issues

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- Security professionals need to design their networks to be resilient. Resiliency is focused on maintaining business continuity for critical services, applications, and data. Simply put, to ensure resiliency, we must ensure availability. Now it's often cheaper and easier to utilize the same type of software and systems throughout our environment. Creating a homogeneous environment puts all of our systems at a greater risk of security breach, though. If an attacker identifies a single vulnerability that exists in the operating system that supports all of our servers, for example, then they could reuse that attack over and over again throughout our entire network. To increase our availability and resiliency, it is better to have a mixture of different operating systems to provide the services we need inside of our networks. This is known as having diversity in your components, or a heterogenic system. This, however, is going to make operations in support of this network much more…

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