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CSI5212 Network Security Fundamentals

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‘Lucent Pharma’ is a pharmaceutical firm based in Perth and has two offices in two different suburbs. The firm’s current network topology was deployed in haste and as such does not have any effective security control. The CEO of the firm has started feeling the concerns around the cyber security of its network, as Lucent Pharma’s business is flourishing, and competitors are also becoming more and more active in the region.
As a network security consultant, you are required to:
1. Analyse the current network topology implemented at ‘Lucent Pharma’ and identify five major vulnerabilities that exist in the network. You are also required to provide sound reasoning behind these identified vulnerabilities.
2. Place the following security devices/controls, bearing in mind that these devices do not compromise either the network performance or the security of the network:
a. Firewall
c. Honeypot
d. Routers/Switches
e. Other devices that may add value to the ‘Lucent Pharma’ network
3. Explain/Justify why these devices were placed in the chosen locations in (2)?
4. Does the Lucent Pharma network require segregation into multiple domains (i.e. requirement of VLANs)? If yes, please add these additional sub-networks to yourtopology.
5. Create a set of firewall policies and a set of firewall rules that should be implemented by the network administrator for firewall(s) placed in the network. Policies must be sound and robust to cover the cyber-security of the entire network.
6. Create a set of IDS/IPS policies and corresponding rules that are to be implemented by the network administrator. Policies must be sound and robust to cover cyber-security of the entire network.
7. Devise ten security policies that are essential for the Lucent Pharma network. Hint: You may refer to security policies from the SANS (SysAdmin, Audit, Network, and Security) website.
8. Design the ‘Proposed Secure Network Design’ for the pharmaceutical firm preferably in Microsoft Visio. An image of this design must be appended to the report.
Part 2
This part is independent of Part 1 and requires you to use software tools to examine remote machinesand traffic thus captured. You are required to undertake this activity preferably through a ‘Kali Linux’ Virtual Machine (other VM’s are also acceptable).
Use ‘Nmap’ tool to scan the server scanme.nmap.org. You are cautioned not to scan any  other server as this is considered unethical and unlawful. This activity is known as ‘Port Scanning’, and only those servers should be scanned for which you have explicit permissions.
There might be a situation where you find that running a port scanner on the above server may cause delay especially when run from within the ECU network. In this case, you are encouraged to run the scan outside ECU’s network to avoid unnecessary delays.
2. Record the above traffic using the ‘Wireshark’ tool. You may use the Wireshark tool available in ‘Kali Linux’, or you may install Wireshark on your base operating system. Hint: It is always better to check the interface on which your Virtual Machine is running to avoid delays.
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