Security代写 | 信息安全代写 | 28081CT/76231CT

security代写,本次信息安全/系统安全代写,主要任务为分析一个应用程序场景并制定相应的安全计划。这次作业为group作业,最多3个人,也可以自己独立完成。

For Assignment 1 you will need to analyze an application scenario and develop a security plan. You may work in a group of up to 3 members.

This document includes the instructions and background information:

  • Page 2 desc「ibes the application scenario, ref. ‘Scenario: Student Grading System Security’.
  • Page 3 is the template for the Security Plan you need to develop, ref. ‘IT Security Plan Template’.
  • On Pages 4-5, you can find more details to guide you in developing your Security Plan (this is a working document that will be updated during the trimester to incorporate any of your questions)
  • Pages 6-7 show you two possible structures for your answer to Part 3 of the assignment (which you can then continue to use for answering Part 4 and perhaps even Part )

Submission Instructions:

EACH student (whether you worked in a group or individually) needs to submit a copy of the report in PebblePad. Please follow the instructions on the Assignment page to submit your report. For us to conduct a peer review, please make sure your submission is ANONYMOUS (i.e., the names of the group members are not mentioned).

ONE student per group must also submit the report with the Revision History appended to the end of report on [email protected] It does not matter which student of the group uploads the submission.

IT Security Plan Revision History

Outline the development history of the plan, including the dates, authors, and a summary of changes.

For 76231CT Students: You will need to develop an IT Security Plan Review Report after the peer review process in Week 8. This is an individual task and worth another 5%. Please submit your Review Report on [email protected] using the Review Report submission point. You will receive further instructions in the Week 8 lab instructions.

Scenario: Student Grading System Security

Remarkable University is implementing a new student grading system. The system needs to be developed and implemented to ensure that it is both fit for purpose and secure from identified threats.

The student grading system’s core components include:

 

  • a front-end web/application server which is used by students, academics and administrative staff
  • a database which holds students’grades

The system will need to be built and managed to ensure that the servers are deployed securely and remain secured against  common  automated and simple manual attacks. Dedicated, targeted attacks are difficult to protect against, however simple measure can be taken to protect against most automated attacks. Identified threats against the system include:

  • Grade hacking/modification, e.g. students who may wish to modify their own results or view or modify the results of others
  • Privacy concerns, g.:
    • internal users such as staff or students who may wish to view or modify results; and
    • external users who may wish to gain access to or modify results or other personal information
  • Malicious code such as worms
  • Automated scanning and exploit tools
  • Targeted exploit attempts
  • Phishing attempts

The grading system application needs to remain secured, use appropriate access controls, enforce least privilege, and ensure that information flowing to and from the system is protected. The application needs to be developed in a secure manner and be protected against common attacks, and the database needs to be protected against common automated attacks and use appropriate access controls.

All components of the systems, and in particular the application and database, need to have appropriate access controls in place to ensure that only authorized users can access and update the system, and that access is tied to the role of each user. All access to the system should be logged, regardless of whether the access is by a user or administrators, and regardless of which component of the system is being accessed.

IT Security Plan Template

1.Introduction

Outline the importance of the plan and its relationship with the organisation’s Security Policy.

2.Scope

This section should establish the organisational context and relevant IT assets (organisational risk profile and key IT assets, as per the case scenario).

3.Risk Assessment

This provides a summary and analysis of the risk assessment. Identify risks to key assets (threats, threats sources, vulnerabilities), by thinking about the different security areas (User Authentication and Access Control, Server Security, Software Security…) and how breaches in those can affect the confidentiality, integrity, and availability of the key assets. Analyse those risks {likelihood, consequence, resultant risk), and summarise your findings in a risk register.

4.Security Strategies and Actions

This section should outline security strategies and recommended controls, based on estimated costs/benefit analysis. Develop a security implementation plan. Classify the selected treatments as management, operational, and/or technical controls.

5.Residual Risks

By definition, the residual risks are those that remain after all possible (cost-effective) mitigation or treatment of risks. Estimate, describe and rate these residual risks to guide the priorities for ongoing monitoring of risks.

6.Resources

This section should detail the resources (e.g., hardware, software, and human resources) for implementing the recommendations outlined in the earlier section on Strategies and Actions.

7.  Maintenance and Training

Outline the recommended maintenance of the security mechanism and training for the relevant personnel.

Security Plan Development Guide

User Authentication and Access Controls

Describe mechanisms to be used for IT system user authentication by the organization. Given the outcomes of the risk assessment, you should identify whether these mechanisms would be an appropriate control to improve its security posture.

Also you should describe the categorization of users into groups that may then be used for access control decisions to IT resources. Describe the access control mechanism in detail. This can be described  on the level of application or database  access control, i.e., restriction  of certain aspects of the application (e.g., admin functionality) or of certain piece of data (e.g., sensitive and confidential data).

Server Security

Describe the management and security configuration of key servers for the organization.

Detail the server’s security requirements, identifying:

  • what information it contains, and how sensitive that information is
  • what applications it runs, how they manipulate the information stored, and how critical their availability is
  • who has access to the system, and what type of access they have
  • who has administrative access to the system, and how this is controlled
  • what change management procedures are used to manage its configuration

You can also deta仆 its basic operating system and patching process to provide a suitable level of security on this server. You can research ways of hardening the 0/S, as well as key applications used, to suit the server’s security requirements.

Software Security

Describe whether the organization uses critical software which is exposed to possible external attacks, such as software running on an externally visible web server to handle responses to forms or other dynamic data handling.

Network Perimeter Security

Describe the organization’s network perimeter security arrangements, that is, their use of firewalls, intrusion detection/prevention systems etc. You can describe what access policy is being used for network traffic, detailing the network services allowed to or across the network perimeter.

You should then suggest an appropriate firewall settings (e.g., inbound and outbound), with details justifying its selection.

End User PC Security

Given the known problems with import of malware onto client PC’s or workstations, you can desribe mechanisms to be used to configure and update such systems in the organization, and identify any anti-virus, anti-spyware, and personal firewall products to be used. Suggest whether you believe the current mechanisms should be improved, stating your reasons.

Security Policy (Optional)

You can review the current organizational security policy. Indicate whether there are any areas not covered in the existing policy that you believe ought to be.

 


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