assignment wit2050 windows 2008 april 2011

8/4/2019 Assignment WIT2050 Windows 2008 April 2011

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Secured NetworkDesign

[WIT2050]

Assignment WIT2050/2011

Overview

You have been engaged as a consultant to design and formulate a secure IT infrastructure

plan for Coho Unity, a pharmaceutical business. Coho Unity’s headquaters office is inSingapore and recently, they have plans to set up two more branch offices in Vancouver

(Branch Office 1) and Perth (Branch Office 2). As its business operation has started to

expand in the region, Coho Unity’s CEO believes that IT security implementation isnecessary to safeguard the organization’s rapid growth.

Coho Unity’s CEO has provided you with the current (Appendix A) and proposed(Appendix B) network diagrams. He identified some key problems in his current

infrastructure.

Problem areas:

• All domain controllers and servers are currently running Windows 2000 and haveto be migrated to Windows 2008.

• Some users use non-complex passwords and no password policies in place.

• All communication within and between HQ and branch offices has to beencrypted.

• All servers have to be secured and protected.

• Users from branch office need to access resources from HQ. This communication

has to be secured as well.

• Include other security solutions that must be in place to ensure, Confidentiality,

Integrity and Availability (CIA).

Implementation and Administration

It is necessary to include a thorough security implementation and administrative strategy

according to the proposal plan.

© Raffles School of Business

Prepared by V. Sithira of 4April 2011




[WIT2050]

Appendix A

Network Diagram (Current)

Diagram A – Current Solution



RemoteUsers

Users

ExchangeServer

WebServer

Server

LAN

LAN

BranchOffice 1

LAN

Branch

Office 2

Singapore

(HQ)




[WIT2050]

Appendix B

Network Diagram (Proposed Solution)

Diagram B - Proposed Solution



RemoteUser

Internet

User

ExchangeServer

WebServer

Serv

er

LAN

WebServer

Firewall/VPN

ISAServer

WebServer

LAN

ISAServer

VPNTunnel Branch

Office 1

LAN

ISAServerVPN

Tunnel

BranchOffice 2




[WIT2050]

Scoring

•Design a secured network for the organization – 20%

• Propose a migration strategy including tools to use – 15%

• Critically evaluate the derived design and suggest improvements – 20%

• Develop a security network implementation and administration strategy for thederived design – 20%

• Critically evaluate the developed strategy and suggest improvement – 15%

• Presentation – 10%

Deliverables

• Report includes documentation of secured network design, implementation and

administration.

• This report should be professional in its nature and of a high standard and quality.

Submission Dateline: Week 10

*Late submission penalty

• 1-3 days will incur 50% lost of marks

• > 3 days 0 marks will be awardedCIA , IPSec, GP,CApatch management



assignment wit2050 windows 2008 april 2011

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