MGMTOF INFORMATION SECURITY (LL) FDS
6th Edition
ISBN: 9780357195543
Author: WHITMAN
Publisher: CENGAGE L
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Question
Chapter 7, Problem 4E
Program Plan Intro
Single loss expectancy:
- The expected monetary loss every time a risk occurs is called the Single Loss Expectancy.
- The Single Loss Expectancy (SLE), Exposure Factor (EF) and Asset Value (AV) are related by the formula:
- SLE = EF * AV
- Introducing this conceptual breakdown of Single Loss Expectancy into Exposure Factor and Asset Value allows us to adjust the two terms independently and is related to risk management and risk assessment.
- Asset Value may vary with market changes, inflation while Exposure Factor can be reduced by enabling preventive measures.
Annualized loss expectancy:
- The product of the single loss expectancy (SLE) and the annual rate of occurrence (ARO) give annualized loss expectancy (ALE).
- It is mathematically expressed as:
- ALE = SLE * ARO
- The important feature of Annualized Loss Expectancy is that it can be used directly in a cost- benefit analysis.
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Students have asked these similar questions
How do you decide which vulnerabilities are most critical?
Instructions: Each student shall provide his own answers to the following questions. Similarity in the
students' answers will be classified as CHEATING cases.
The Operations Security Process consists of the following steps:
Step 1: Identification of Critical Information
Step 2: Analysis of Threats
Step 3: Analysis of Vulnerabilities
Step 4: Assessment of Risks
Step 5: Application of Countermeasures
If you were the information security manager of University of Hafr AIBatin, and you were asked to apply
the five steps of Operations Security Process to the university. Explain how should you apply these steps
and what are your expected outcomes for each step?
Assume a year has passed and XYZ has improved its security. Using the following table, calculate the SLE, ARO, and ALE for each threat category listed.
YXZ Software Company (Asset Value: $1,200,000
Threat Category
Cost per Incident
Frequency of Occurrence
Cost of Controls
Type of Control
Programmer mistakes
$5,000
1 per month
$20,000
Training
Loss of intellectual property
$75,000
1 per 2 years
$15,000
Firewall/IDS
Software piracy
$500
1 per month
$30,000
Firewall/IDS
Theft of information (hacker)
$2,500
1 per 6 months
$15,000
Firewall/IDS
Threat of information (employees)
$5,00
1 per year
$15,000
Physical security
Web defacement
$500
1 per quarter
$10,000
Firewall
Theft of equipment
$5,000
1 per 2 years
$15,000
Physical security
Viruses, worms, Trojan horses
$1,500
1 per month
$15,000
Antivirus
Denial-of-service attack
$2,500
1 per 6 months
$10,000
Firewall…
Chapter 7 Solutions
MGMTOF INFORMATION SECURITY (LL) FDS
Ch. 7 - Prob. 1RQCh. 7 - Prob. 2RQCh. 7 - Prob. 3RQCh. 7 - Prob. 4RQCh. 7 - Prob. 5RQCh. 7 - Prob. 6RQCh. 7 - Prob. 7RQCh. 7 - Prob. 8RQCh. 7 - Prob. 9RQCh. 7 - Prob. 10RQ
Ch. 7 - Prob. 11RQCh. 7 - Prob. 12RQCh. 7 - Prob. 13RQCh. 7 - Prob. 14RQCh. 7 - Prob. 15RQCh. 7 - Prob. 16RQCh. 7 - Prob. 17RQCh. 7 - Prob. 18RQCh. 7 - Prob. 19RQCh. 7 - Prob. 20RQCh. 7 - Prob. 1ECh. 7 - Prob. 2ECh. 7 - Prob. 3ECh. 7 - Prob. 4ECh. 7 - Prob. 5ECh. 7 - Prob. 6ECh. 7 - Prob. 7ECh. 7 - Prob. 1DQCh. 7 - Prob. 2DQCh. 7 - Prob. 1EDM
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