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CompTIA Security+ · CompTIA
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This is pure Risk Management/risk analysis; Domain 5.2. C. ARO = how often a threat is expected to occur per year. Business Impact Analysis (BIA): MTTR (Mean Time To Repair) - Measures how long it takes to fix a system after failure. RTO (Recovery Time Objective) - Measures how quickly systems must be restored. MTBF (Mean Time Between Failures) - Measures system reliability.
Soon as I saw the word 'annual', I already knew what time it was.
annualized rate of occurance