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Zorluk: KolayRisk Identification, Assessment, and Response Strategies

A logistics company evaluates the risk of server downtime at a remote warehouse facility. The database server cluster has an Asset Value (AVAV) of $80,000\$80,000. An assessment indicates that a severe localized network outage would result in an Exposure Factor (EFEF) of 0.250.25 (25%25\%). The Annual Rate of Occurrence (AROARO) for this type of outage is estimated to be 0.50.5 (occurring once every two years). What is the Annualized Loss Expectancy (ALEALE) in USD for this threat?

Cevap: 10000 USD

Cevap

The Annualized Loss Expectancy (ALEALE) for the database server cluster is 10,00010,000 USD.
The Annualized Loss Expectancy (ALEALE) is determined using standard quantitative risk assessment metrics: first, calculate Single Loss Expectancy as SLE=AV×EF=$80,000×0.25=$20,000SLE = AV \times EF = \$80,000 \times 0.25 = \$20,000. Second, calculate ALE=SLE×ARO=$20,000×0.5=$10,000ALE = SLE \times ARO = \$20,000 \times 0.5 = \$10,000.

Adım Adım Çözüm

1
Calculate the Single Loss Expectancy (SLE)
SLE=$20,000SLE = \$20,000
Single Loss Expectancy represents the monetary loss expected each time an asset is compromised, calculated by multiplying the Asset Value (AVAV) by the Exposure Factor (EFEF).
2
Calculate the Annualized Loss Expectancy (ALE)
ALE=$10,000ALE = \$10,000
Annualized Loss Expectancy represents the expected financial loss per year, calculated by multiplying the Single Loss Expectancy (SLESLE) by the Annual Rate of Occurrence (AROARO).

Anahtar Kavram

Quantitative Risk Assessment (ALE Calculation)
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Konular

Risk Identification, Assessment, and Response Strategies

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