Explain why asynchronous I/O activity is a problem with many memory protection schemes, includingbase/bounds and paging.

TaskPart A: 30 MarksAnswer the following questions:1. Search the web for news on computer security breaches that occurred during April-August 2015-2018.Research one such reported incident. Prepare a report focusing on what the problem was, how and why itoccurred and what are the possible solutions. – 15 MarksLength: Around 800 words2. Explain why asynchronous I/O activity is a problem with many memory protection schemes, includingbase/bounds and paging. Suggest a solution to the problem. – 15 MarksLength: Around 600 wordsPart B: 20 Marks1. Research the 2011 Sony PlayStation Network outage case on the web and prepare a report focusingon the following questions:• What was the problem?• Who were affected and how?• How was the attack carried out?• What could have been done to prevent the attack?Length: Around 900 wordsRationaleThis assessment task is based on the following topics discussed in the subject: the overview ofInformation security fundamentals, security threats, cryptography, malicious software and itscountermeasures, operating system security and software security .The assessment task is aligned with the following learning outcomes of the subject:On successful completion of this subject, students will• be able to justify security goals and the importance of maintaining the secure computingenvironment against digital threats;• be able to explain the fundamental concepts of cryptographic algorithms;• be able to examine malicious activities that may affect the security of a computer program andjustify the choice of various controls to mitigate threats.• be able to compare and contrast the security mechanisms of a trusted operating system withthose used in a general purpose operating system;

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MITS 5004
IT SECURITY

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Copyright © 2015-2018 VIT, All Rights Reserved. 1MITS5004 Assignment 2
Assessment item 2
Assignment – 2
Value: 10%
Due date:
Submission method options
Alternative submission method
Task
Part A: 30 Marks
Answer the following questions:
1. Search the web for news on computer security breaches that occurred during April-August 2015-2018.
Research one such reported incident. Prepare a report focusing on what the problem was, how and why it
occurred and what are the possible solutions. – 15 Marks
Length: Around 800 words

2. Explain why asynchronous I/O activity is a problem with many memory protection schemes, including
base/bounds and paging. Suggest a solution to the problem. – 15 Marks

Length: Around 600 words

Part B: 20 Marks
1. Research the 2011 Sony PlayStation Network outage case on the web and prepare a report focusing
on the following questions:
• What was the problem?
• Who were affected and how?
• How was the attack carried out?
• What could have been done to prevent the attack?

Length: Around 900 words
Rationale
This assessment task is based on the following topics discussed in the subject: the overview of
Information security fundamentals, security threats, cryptography, malicious software and its
countermeasures, operating system security and software security .
The assessment task is aligned with the following learning outcomes of the subject:
On successful completion of this subject, students will
• be able to justify security goals and the importance of maintaining the secure computing
environment against digital threats;
• be able to…