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When an incident takes place the disaster recovery DR plan is invoked before the incident response IR plan?When an incident takes place, the disaster recovery (DR) plan is invoked before the incident response (IR) plan. In most organizations, the COO is responsible for creating the IR plan. In a warm site, all services and communications links are fully configured and the site can be fully functional within minutes.
Is the amount of effort expressed as elapsed time needed to make business functions work again after the technology element is recovered?The MTD includes all impact considerations. The amount of effort (expressed as elapsed time) needed to make business functions work again after the technology element is recovered. This recovery time is identified by the RTO.
Is the total amount of time the system owner or authorizing official is willing to accept for a business process outage or disruption?According to NIST 800-34r12 Maximum Tolerable Downtime (MTD) represents the total amount of time the system owner/authorizing official is willing to accept for a mission/business process outage or disruption and includes all impact considerations.
What is the information security principle that requires significant tasks to be split up so that more than one individual is required to complete them?Separation of duties is the principle by which members of the organization can access the minimum amount of information for the minimum amount of time necessary to perform their required duties.
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