COIT12202 : Network Security Concepts - XYZ Hospital Case Study - Computer Science Assignment Help

Assignment Task :

Objectives 

This assessment item is designed to test your understanding of network security fundamentals, administering a secure network, mobile security, access control, identity management and wireless network security relating to  the contents in weeks 6-11. 

Assessment task 

Assessment task contains two parts; part A is writing a report on the given topic (weighting: 30%) and part B is  the presentation on the written report  

Part A: The report must focus on the case study scenario related questions given in the assessment task section.  Any assessment items that do not address the case study scenario and the given questions may be awarded 0 (zero)  marks. 

Your report should include (detailed marking criteria is given at the end): 

1. Executive Summary 

2. Table of Contents 

3. Introduction 

4. Discussion (on the given tasks). 

5. Conclusion 

6. Reflection on the assessment task 

7. Reference list (please use at least four sources for your discussion) 

Part B: Part B of this assessment task is a presentation component.  

Your presentation should include:

1. Introduction  

2. Brief description of your proposed solution with justification (referring to the unit material as appropriate) 

3. Your reflection on completing this assessment (your reflection may include how you attempted the task,  method used, what you have learnt, any hurdle faced and how those were solved). 

4. References 

Check the unit website regularly for further information relating to this assessment task. Please ensure that you  write your report in your own words to avoid possible plagiarism and copyright violation. Please go through the  Academic integrity policy very carefully (the corresponding link could be found in the CQUniversity Policies  section of the Unit Profile). 

Case scenario: 

XYZ hospital (XYZH) is a top-ranking national hospital that has 4 branches nationwide in Brisbane, Canberra,  Melbourne and Sydney with the administrative office in Canberra. XYZH consists of different medical  departments, finance, administration and IT departments. Staff among different sites need to regularly  communicate with each other through an internal network. During the current COVID-19 pandemic some of the  non-medical staff are working from home on a roster basis and connect to the hospital’s network through a VPN.  Each location also provides free wireless LAN access to the patients and visitors/guests. 

XYZH also provide tele-health service where patients communicate with the doctors via phone (including mobile phones), video/audio conferencing and e-mail. During the COVID-19 pandemic online doctor-patient  consultation has become a norm for majority of the cases (where the patients do not necessarily need to meet the  doctors or get treated in person). Pathology reports (of patients) are sent to the hospital via Internet as well.  Therefore, it is essential for XYZH to provide high-performance secure network connectivity at every site. Since  patients regularly communicate with XYZH through a web interface, it is very important to protect the web and  application servers as well. 

All the patients’ data/information/medical report and images are stored in the database server; XYZH uses  local and cloud-based storage to store their data.  

The Chief Security Officer (CSO) of XYZH and their team are currently looking into all the possible ways of  securing XYZH’s network, applications and data/information. 

1. Identify two types of wireless or mobile attacks from the unit lecture material that might occur in the  above-mentioned scenario. Describe each of them and explain how these types of attack could occur in  XYZH’s case (explain with diagram if applicable). Provide your suggestion for securing XYZH’s wireless network. 

2. Propose at least three networking technologies/methods/protocols that could have been used to enhance  the network (wired and/or wireless) security in the above case. Explain in detail how these technologies  that you proposed would enhance the XYZ’s security (justify your answer).  

3. Various devices and technologies should be used to protect a network; firewall is one such device. Explain  the use of a firewall and how it can improve network security. Explain with a simple diagram where you  would put the firewall/s in XYZH’s network. 

4. Propose an access control technique that could have been employed to improve the security in the given  case scenario. Please include an appropriate access control model, implementation and related policies in your report. Justify why you are choosing this model over any two of the other options that were  discussed in the lecture materials. 

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