Hit The Order Button To Order A **Custom Paper**

>> CLICK HERE TO ORDER 100% ORIGINAL PAPERS FROM AustralianExpertWriters.com <<

25 Aug
2019

Security fundamentals | Good Grade Guarantee!

Security fundamentals 
Value: 15% 
Due Date: 25-Aug-2019 
Return Date: 13-Sep-2019 
Submission method options: Alternative submission method 
Task 
back to top 
This assessment aims to develop and gauge student understanding of the key topics covered so far by answering the following questions. Answering these questions will help you build some understanding for the next assessment item as well as for the entire subject. It is expected that answers to the assignment questions be succinct (i.e. precise and concise) with all sources of information fully referenced as per APA referencing style. You have to reference the text book and any additional material you have used in your answers. Note that the guide for APA referencing is provided in the resources section of Interact site of this subject. Answers MUST be written in your own words. If an answer contains more than 10% direct quote (referenced or unreferenced), 0 marks will be awarded for this question. One or two sentence answers will be too short and only receive low marks. Answers longer than 1.5 pages (12 point font, single line spacing) may incur a penalty if too much non-relevant information is stated. For mathematical questions it is expected that you show intermediate steps of your working. Just stating the correct solution will result in low marks, on the other hand if the working is correct and you only made minor mistakes, you will still be awarded marks, even though the final answer is wrong. Question 1 [5 Marks] Automated Teller Machines (ATM) are designed so that users will provide a personal identification number (PIN) and a card to access their bank accounts. Give examples of confidentiality, integrity and availability requirements associated in such a system and describe the degree of importance for each requirement. Question 2 [5 Marks] A thief broke into an Automated Teller Machine (ATM) using a screwdriver and was able to jam the card reader as well as breaking five keys from the keypad. The thief had to halt the process of break-in and hide, as a customer approached to use the ATM. The customer was able to successfully enter their ATM card, punch in the 4 digit PIN and was able to draw out some cash. Since the card reader was jammed, the customer was however not able to withdraw the ATM card, and drove off to seek some help. In the meantime, the thief came back and decided to try to discover the customer’s PIN so that he can steal money from the customer. You are required to calculate the maximum number of PINs that the thief may have to enter before correctly discovering the customer’s PIN? Question 3 [5 Marks] Thinking about bio-metric authentication, list three reasons why people may be reluctant to use bio-metrics. Describe various ways of how to counter those objections. Question 4 [5 Marks] In bio-metric authentication, false positive and false negative rates can be tuned according to the requirement, and they are often complementary i.e. raising one lowers the other. Describe two circumstances where false negatives are significantly more serious than false positives. Question 5 [10 Marks] Qstn 5: Police have been inspecting a crime scene that they were called into, during their investigation they found a USB stick that belongs to the suspect. Police believe the USB stick contains an important message that will help them solve the case and impersonate the criminal. The suspect used encryption to encrypt his address which was in all documents found. E-crime department had to decrypt the message, upon inspecting the USB Stick police found the following message: DJOCIT WWDN TYWTNAPRP BBMV SIWRVHCUTO. It is believed that before the incident, the suspect enrolled in online courses to learn Caesar cipher, another substitution with multiple shifts (keys) and the one-time pad. Police believe they have the one time pad key found on a piece of paper in the crime scene as well as some other notes about another method of substitution but the notes aren’t clear, the one-time pad Key was: 5,7,3,10,9,14,12,8,1,4,6,3,5,9,14,2,5,10,7,4,6,7,12,9,3,5,2,11,13,4,2,5,7 and police believe the other substitution could either be 567 or 234 based on his notes . You are required to decrypt the message and find the suspect’s address.
Rationale 
back to top 
This assessment task will assess the following learning outcome/s: be able to justify security goals and the importance of maintaining the secure computing environment 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 and justify the choice of various controls to mitigate threats. 
be able to compare and contrast foundational security policies and models that deal with integrity and confidentiality. Marking criteria and standards 
back to top 
Question HD 
100% – 85% DI 
84% – 75% CR 
74% – 65% PS 
64% – 50% FL 
49% – 0 
Q1 
5 Marks 
In depth use of a good range of relevant literature to address the points. Provides an extensive range of examples of the CIA triad with sound evidence of synthesis of own research and prescribed readings in topics. Evidence of using relevant literature to address the points. Provides a detailed range of examples of the CIA triad with evidence of synthesis of external readings and prescribed readings in topics. Use of some relevant literature to address the points. Provides some examples of the CIA triad. Mostly cited the prescribed text. Evidence of synthesised concepts learned from topic readings Limited evidence of using relevant literature to address the points. Provides limited examples of the CIA triad with little evidence of linkages or connections to topic readings. No evidence of using relevant literature to address the points. No examples provided with extremely limited or no linkages or connections to topic readings. Q2 
5 Marks The answer is correct with a complete, clear, and detailed step-by-step working provided of how the answer was calculated. The answer is correct with a complete, clear, and step-by-step working provided of how the answer was calculated. The answer is correct showing most steps of how the answer was calculated. 
The answer is correct however the steps taken to reach the answer are not shown clearly. 
The answer is incorrect and the steps taken to reach the answer are not shown clearly. Q3 
5 Marks 
Clear, comprehensive description of biometric authentication and why general population may object to using this technique. Critical points identified & discussed. Detailed description of biometric authentication and why general population may object to using this technique. Many critical points identified & discussed. Good description of biometric authentication and why general population may object to using this technique. Some critical points identified & discussed. Some description of biometric authentication and why general population may object to using this technique. Some critical points identified & discussed with minor inaccuracies or omissions. Incomplete or inadequate description of biometric authentication and why general population may object to using this technique. No critical points identified & discussed. 
Q4 
5 Marks 
Clear, comprehensive description discussion of two circumstances where false negatives are significantly more serious than false positives in biometric authentication listing all critical points. Detailed description discussion of two circumstances where false negatives are significantly more serious than false positives in biometric authentication. Many critical points identified & discussed. Good description discussion of two circumstances where false negatives are significantly more serious than false positives in biometric authentication. Some critical points identified & discussed. Some description discussion of two circumstances where false negatives are significantly more serious than false positives in biometric authentication. Some critical points identified & discussed with minor inaccuracies or omissions. Incomplete description discussion of two circumstances where false negatives are significantly more serious than false positives in biometric authentication. No critical points identified & discussed. 
Q5 
10 Marks 
Correct identification of how to quickly identify if transposition techniques have been used. Correct decryption of the message has been provided along with a clear, concise and step by step explanation of the decryption technique used. Correct identification of how to quickly identify if transposition techniques have been used. Correct decryption of the message has been provided along with a clear, and step by step explanation of the decryption technique used. Correct identification of how to quickly identify if transposition techniques have been used. Correct decryption of the message has been provided along with a step by step explanation of the decryption technique used. Correct identification of how to quickly identify if transposition techniques have been used. Correct decryption of the message has been provided with limited explanation of the decryption technique used. Incorrect identification of how to quickly identify if transposition techniques have been used. Inorrect decryption of the message provided along with little or no explanation of the steps detailing the decryption technique used. Presentation 
back to top 
The assessment must be submitted electronically with a Cover Page that includes the following information: 
Assessment No 
Assessment Title 
Student Name & ID 
Subject Name and Code 
Student Email Address 
Students must ensure that all tasks/questions are identified clearly with headings. 
Answers to the questions must be in your own words and should be precise but complete and informative. No marks will be awarded for any answer containing more than 10% direct quotes (referenced or un referenced). 
APA reference style must be used throughout the document with the bibliography at the end of the document. In-text citations should also follow APA style. APA referencing guide can be accessed via the following link. This also forms a part of the marking rubric.http://student.csu.edu.au/study/referencing-at-csu Please note: Assessment MUST be submitted as ONE MS Word file via Turnitin. Please do not submit *.zip or *.rar or multiple files. Assessments are marked and feedback is attached using a MS Word based tool. Reports that are submitted in PDF format will be re-formatted to Word format in order to be marked. Allowances will not be made for any loss of information, diagrams or images as a result of the re-formatting. 

QUALITY: 100% ORIGINAL – NO PLAGIARISM.

  • **REMEMBER TO PRECISE PAGE NUMBER**
  • Hit The Order Button To Order A **Custom Paper**

>> 100% ORIGINAL PAPERS FROM AustralianExpertWriters.com <<