Assignment 4: Designing Compliance within the LAN-to-WAN Domain

User Generated

Yrffreznfgre

Computer Science

Description

Imagine you are an Information Systems Security Officer for a medium-sized financial services firm that has operations in four (4) states (Virginia, Florida, Arizona, and California). Due to the highly sensitive data created, stored, and transported by your organization, the CIO is concerned with implementing proper security controls for the LAN-to-WAN domain. Specifically, the CIO is concerned with the following areas:

  • Protecting data privacy across the WAN
  • Filtering undesirable network traffic from the Internet
  • Filtering the traffic to the Internet that does not adhere to the organizational acceptable use policy (AUP) for the Web
  • Having a zone that allows access for anonymous users but aggressively controls information exchange with internal resources
  • Having an area designed to trap attackers in order to monitor attacker activities
  • Allowing a means to monitor network traffic in real time as a means to identify and block unusual activity
  • Hiding internal IP addresses
  • Allowing operating system and application patch management

The CIO has tasked you with proposing a series of hardware and software controls designed to provide security for the LAN-to-WAN domain. The CIO anticipates receiving both a written report and diagram(s) to support your recommendations.

Write a three to five page paper in which you:

  1. Use MS Visio or an open source equivalent to graphically depict a solution for the provided scenario that will:
    1. filter undesirable network traffic from the Internet
    2. filter Web traffic to the Internet that does not adhere to the organizational AUP for the Web
    3. allow for a zone for anonymous users but aggressively controls information exchange with internal resources
    4. allow for an area designed to trap attackers in order to monitor attacker activities
    5. offer a means to monitor network traffic in real time as a means to identify and block unusual activity
    6. hide internal IP addresses
  2. Identify the fundamentals of public key infrastructure (PKI).
  3. Describe the manner in which your solution will protect the privacy of data transmitted across the WAN.
  4. Analyze the requirements necessary to allow for proper operating system and application patch management and describe a solution that would be effective.
  5. Use at least three quality resources in this assignment. Note: Wikipedia and similar Websites do not qualify as quality resources.

Note: The graphically depicted solution is not included in the required page length.

Your assignment must follow these formatting requirements:

  • Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.
  • Include a cover page containing the title of the assignment, the student's name, the professor's name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.
  • Include charts or diagrams created in Visio or an equivalent such as Dia or OpenOffice. The completed diagrams / charts must be imported into the Word document before the paper is submitted.

The specific course learning outcomes associated with this assignment are:

  • Analyze information security systems compliance requirements within the Workstation and LAN Domains.
  • Use technology and information resources to research issues in security strategy and policy formation.
  • Write clearly and concisely about topics related to information technology audit and control using proper writing mechanics and technical style conventions

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Explanation & Answer

The files below contain complete work of your assignment. Kindly check it and let me know if you need clarification. Thank you.

Running Head: THE FIRM NETWORK OUTLINE
1

The Firm Network Outline
Name
Institutional Affiliation
Date

THE FIRM NETWORK OUTLINE

2

The Firm Network Outline
Thesis statement: The most important work of the VPN is to provide an extra level of
encryption and hide the network public IP address. The VPN hides the network IP address by
using an alternative IP while accessing the public network such as the internet. This reduces
chances of been attacked by attackers on the internet since they do not have the real IP address of
the network. The double routing in the network also prevents the internal IP addresses from been
revealed through the internet. The internal users use total different IP addresses from those used
to access the wan. The router in the internal network hides the internal IP addresses even to the
internet service provider (ISP).

LAN-to-WAN Domain
Diagrams and descriptions

Network Filtering and DMZ
Answer
Traffic Monitoring
Answer
Public Key Infrastructure (PKI)
Answer
Patch Management
Answer

THE FIRM NETWORK OUTLINE

3
References

List of cited work

Attached.

Running Head: THE FIRM NETWORK

1

The Firm Network
Name
Institutional Affiliation
Date

THE FIRM NETWORK

2
The Firm Network

LAN-to-WAN Domain
The diagram below shows the network diagram of the firm with an assumption that the firm has
one office in every state and Virginia office is the main branch.

Figure 1: Author's network diagram for all offices in four states
The double lines (

) shown in the diagram represents a secure network

channel established by the virtual private network (VPN). This channel is established by a VPN

THE FIRM NETWORK

3

software in the intrusion detection and reporting server within the internal network of every
office in every state. The VPN channels all the internal netw...


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