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Zorluk: KolayRisk Identification, Assessment, and Response Strategies

A financial technology firm evaluates the potential impact of a ransomware incident on a database server valued at 250,000.SecurityanalystsdeterminethatasuccessfulattackwouldresultinanExposureFactor(250,000. Security analysts determine that a successful attack would result in an Exposure Factor ( EF )of) of 20\%( ( 0.20 ).WhatistheSingleLossExpectancy(). What is the Single Loss Expectancy ( SLE$) in dollars for this asset?

Cevap: 50000 USD

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The Single Loss Expectancy (SLESLE) for the database server is $50,000.
Single Loss Expectancy (SLESLE) represents the expected financial impact of a single realized risk event on an asset. It is computed using the formula SLE=AV×EFSLE = AV \times EF. Multiplying an Asset Value (AVAV) of $250,000\$250,000 by an Exposure Factor (EFEF) of 0.200.20 gives an SLESLE of $50,000\$50,000.

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1
Extract the Asset Value (AVAV) and Exposure Factor (EFEF) from the scenario.
AV=$250,000AV = \$250,000 and EF=0.20EF = 0.20 (20%20\%).
Quantitative risk analysis requires identifying the financial value of the asset and the proportion of value lost in a single incident.
2
Calculate the Single Loss Expectancy using SLE=AV×EFSLE = AV \times EF.
SLE=$250,000×0.20=$50,000SLE = \$250,000 \times 0.20 = \$50,000.
Single Loss Expectancy measures the monetary loss resulting from a single risk event.

Anahtar Kavram

Single Loss Expectancy (SLE) calculation in quantitative risk assessment
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Risk Identification, Assessment, and Response Strategies

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