Ask Question, Ask an Expert


Ask Computer Network & Security Expert


“Big Red Rocks” (BRR) mining company is based and operates in Western Australia. They are mainly an iron ore miner, but they also produce electricity through tidal power to support their crushing operations, with any excess power sold back to power grid through the electricity market. BRR maintains the head office in Perth, and the site office in Port Hedland. There is also a control system network operated at their crushing plant outside of Port Hedland. There is a need for database information from the crusher site to be sent to Perth for accounting and other purposes.

BRR has been informed by CERT Australia that some of their internal documents have been found on external third party websites, and that they have important security issues which have to to be rectified. You are the network security consultant who has been hired to advise on issues present in the present architecture and associated network security issues.
Following hardware and software is in operation at each site:

Perth Head Office

• 200 client desktop PCs running Windows Vista
• Web server (external) running Apache on Redhat Linux
• MS Exchange Server on Windows Server 2008
• 802.11 wireless using WPA TKIP
• Executives have iPads to access the internal network
• Connection between Head Office and PH Site over Telco private WAN
• External Access is via VPN (PPTP) user name and password
• There is an AV server

Port Hedland Office

• Runs 20 PCs with Windows Vista
• Authentication to ADS over the WAN link to Perth
• Connected to mine site via 802.11 wireless (WPA TKIP)

Mining Site

• No ADS – all PCs belong to workgroup
• Connection to PH Site Office via 802.11g point to point link (WPA TKIP)
• 10 PCs running Windows Vista in office
• 5 PCs running Windows NT in the control room (NOTE: This cannot be changed as the SCADA software will not run on the newer OS)
• There are no individual logons or passwords on the control room PCs (Usernames and passwords cannot be implemented as this is an operational issue)
• SCADA engineers remotely connect to the mine site through a VPN Server PPTP Other information:
• The network security policy has not been updated since 2005
• There is no patching regime
• See network diagram shown below (Note: this may be out of date but is the most current we can find)
• The VPN at the Head Office and the VPN at the mine site are not connected


You are required to produce the following deliverables as part of your contract:

1. A list of the issues with BRRs network as it currently stands. The list will describe the vulnerabilities associated with each issue
2. Treatment recommendations to address the identified issues in BRRs networks
3. A detailed network diagram which creates a more secure network for BRRs operations
4. Updated network security policies which take into consideration current issues and hardware

1277_Network diagram.jpg

The report should be set out in the following manner:

• 11 point Times New Roman
• 1.5 line spaced
• Margins set to 2.5 cm
• Justification: block justified
• Footer: Should contain your ECU StudentID and Full Name (8 point type) and a Page number
• The report should contain an index and have appropriate headings and sub headings.
• The style of the report is a business report and as such it is expected that you present a professional report in both format and style.
• Your report should not exceed 30 pages in total length

All sources of references must be cited (in text citation) and listed (end reference list). For details about referencing and the required format, please refer to the ECU Referencing Guide, which can be found from the following URL:


Network Diagram
• Complete network diagram detailing new architecture
• IP addresses and other architecture detailed
 Network Security Policy
• Policy not procedure
• Covers all relevant devices and technologies and is relevant to BRR

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M9586

Have any Question? 

Related Questions in Computer Network & Security

Network security paper in this paper you will define the

Network Security Paper: In this paper, you will define the security strategies of Defense in Depth and Layered Security along with comparing and contrasting the strategies by explaining, at least, two advantages and disa ...

Assignmentyour have been contracted by healthfirst hospital

Assignment Your have been contracted by HealthFirst Hospital Foundation (HHF), a charitable organization that provides services to community clinics in Atlanta, Georgia. Due to the organization's tremendous growth, it wi ...

Scenario additional detailshealth care hq has a

Scenario: Additional Details Health Care HQ has a client-server network architecture. The chief information officer (CIO) wants to understand the difference between a client-server and a peer-to-peer network. She also wa ...

Security configuration managementkey assignmentsignificant

Security Configuration Management Key Assignment Significant work has been completed over the past few weeks on the Network Security Architecture Design document, including the following: • Security Requirements • Perime ...

Networking trends paperin this paper you will research and

Networking Trends Paper In this paper, you will research and report on network design and management trends over the last three years (present year minus 2) in the areas of virtualization, security, hardware, network man ...

Project assignment software defined networks1introductionin

Project Assignment: Software Defined Networks 1 Introduction In this assignment you will learn how to use the OpenFlow protocol to program an SDN controller in a Mininet emulated network using POX. The following sections ...

Develop a wlan plan for acme graphic design based on a

Develop a WLAN plan for Acme Graphic Design based on a chosen Blueprint and security to the owner. Write a 700- to 1,750-word document using Microsoft® Word finalizing describing your final network design incorporating y ...

Assignment standards researchthe following website may be

Assignment: Standards Research The following Website may be used for reference to complete this assignment. The Website represents an electronic document titled "Standards Organizations" written by William Stallings (200 ...

Windows server deployment proposaleach student will create

Windows Server Deployment Proposal Each student will create a detailed, organized, unified technical solution given the scenario described below. The submission will be in a written format, with at least one diagram, and ...

Assignment designing compliance within the lan-to-wan

Assignment: Designing Compliance within the LAN-to-WAN Domain Imagine you are an Information Systems Security Officer for a medium-sized financial services firm that has operations in four (4) states (Virginia, Florida, ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro