Using the following table, calculate the SLE, ARO, and ALE for each threat category listed.

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Computer Science

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Description

Using the following table, calculate the SLE, ARO, and ALE for each threat category listed.

XYZ Software Company (Asset value: $1,200,000 in projected revenues)

Threat Category

Cost per Incident

Frequency of Occurrence

Programmer mistakes

$5,000

1 per week

Loss of intellectual property

$75,000

1 per year

Software piracy

$500

1 per week

Theft of information (hacker)

$2,500

1 per quarter

Theft of information (employee)

$5,000

1 per 6 months

Web defacement

$500

1 per month

Theft of equipment

$5,000

1 per year

Viruses, Worms, Trojan horses

$1,500

1 per week

Denial-of-service attack

$2,500

1 per quarter

Earthquake

$250,000

1 per 20 years

Flood

$250,000

1 per 10 years

Fire

$500,000

1 per 10 years

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HW #7 Using the following table, calculate the SLE, ARO, and ALE for each threat category listed. XYZ Software Company (Asset value: $1,200,000 in projected revenues) Threat Category Programmer mistakes Cost per Incident $5,000 Frequency of Occurrence 1 per week Loss of intellectual property Software piracy Theft of information (hacker) Theft of information (employee) Web defacement $75,000 $500 $2,500 $5,000 $500 1 per year 1 per week 1 per quarter 1 per 6 months 1 per month Theft of equipment Viruses, Worms, Trojan horses Denial-of-service attack Earthquake Flood Fire $5,000 $1,500 $2,500 $250,000 $250,000 $500,000 1 per year 1 per week 1 per quarter 1 per 20 years 1 per 10 years 1 per 10 years
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Explanation & Answer

Attached.

1

Running head: SLE, ARO, AND ALE

SLE, ARO, AND ALE
Institutional Affiliation
Date

SLE, ARO, AND ALE
Using the following table, calculate the SLE, ARO, and ALE for each threat category
listed. XYZ Software Company (Asset value: $1,200,000 in projected revenues).
Definition of terms, formulae.
AV-asset value.
EF-exposure factor.
SLE-this is simple the single loss expectancy.
This is calculated by multiplying the EV and AV
AV multiplied by EV gives the SLE.
EV=

cost per incident
asset value

ARO-annual rate of occurrence. This is simple a guess of a certain threat to occur within a
period of one year.
ALE-this stands for annualized loss expectancy. It is calculated by multiplying the SLE and
ARO.
The assumption made in the following calculations is that a single year is made up of 52
weeks. SLE, ARO and ALE for each threat category.
1. Programmer mistakes
The cost for each incident ...


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