Project 2: Assessing Information System Vulnerabilities and Risk
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The security posture of the information systems infrastructure of an organization should be regularly monitored and assessed (including software, hardware, firmware components, governance policies, and implementation of security controls).
The monitoring and assessment of the infrastructure and its components, policies, and processes should also account for changes and new procurements in order to stay in step with ever-changing information system technologies.
The data breach at the US Office of Personnel Management (OPM) was one of the largest in US government history. It provides a series of lessons learned for other organizations in industry and the public sector. Some failures of security practices, such as lack of diligence with security controls and management of changes to the information systems infrastructure, were cited as contributors to the massive data breach in the OPM Office of the Inspector General’s (OIG) Final Audit Report, which can be found in open-source searches.
Some of the findings in the report include:
The breach ultimately resulted in removal of OPM’s top leadership. The impact of the breach on the livelihoods of millions of people may never be fully known.
There is a critical need for security programs that can assess vulnerabilities and provide mitigations.
In this project, there are eight steps, including a lab, that will help you create your final deliverables. The deliverables for this project are as follows:
In this project, you will research and learn about types of networks and their secure constructs that may be used in an organization to accomplish the functions of the organization’s mission.
You will propose a local area network (LAN) and a wide area network (WAN) for the organization, define the systems environment, and incorporate this information in a network diagram. You will discuss the security benefits of your chosen network design.
Read the following resources about some of the computing platforms available for networks and discuss how these platforms could be implemented in your organization:
Include the rationale for each of the platforms you choose to include in your network design.
Review the OIG report on the OPM breach that you were asked to research and read about at the beginning of the project. The OIG report includes many security deficiencies that likely left OPM networks vulnerable to being breached.
In addition to those external threats, the report describes the ways OPM was vulnerable to insider threats. The information about the breach could be classified as threat intelligence. Define threat intelligence and explain what kind of threat intelligence is known about the OPM breach.
You just provided detailed background information on your organization. Next, you’ll describe threats to your organization’s system. Before you get started, select and explore the contents of the following link: insider threats (also known as internal threats). As you’re reading, take note of which insider threats are a risk to your organization.
Now, differentiate between the external threats to the system and the insider threats. Identify where these threats can occur in the previously created diagrams. Relate the OPM threat intelligence to your organization. How likely is it that a similar attack will occur at your organization?
You have a suite of security tools, techniques, and procedures that can be used to assess the security posture of your organization’s network in a SAR.
Now it’s time to identify the security issues in your organization’s networks. You have previously learned about password-cracking tools; in this step, provide an analysis of the strength of passwords used by the employees in your organization. Are weak passwords a security issue for your organization?
Next, examine these resources on firewalls and auditing related to the use of the Relational Database Management System (RDBMS), the database system and data. Also review these resources related to access control.
Determine the role of firewalls, encryption, and auditing for RDBMS in protecting information and monitoring the confidentiality, integrity, and availability of the information in the information systems.
Reflect any weaknesses found in the network and information system diagrams previously created, as well as in your developing SAR.
Step 6: Threat Identification
Now that you know the weaknesses in your organization’s network and information system, you will determine various known threats to the organization’s network architecture and IT assets.
Get acquainted with the following types of threats and attack techniques. Which is a risk to your organization?
In identifying the different threats, complete the following tasks:
Include these in your SAR.
What is the risk and what is the remediation? What is the security exploitation? You can use the OPM OIG Final Audit Report findings and recommendations as a possible source for methods to remediate and mitigate vulnerabilities.
Read this risk assessment resource to get familiar with the process, then prepare a risk assessment. Be sure to first list the threats, then the vulnerabilities, and then the pairwise comparisons for each threat and vulnerability. Then determine the likelihood of each event occurring and the level of impact it would have on the organization.
Include this in your risk assessment report (RAR).
Step 8: Creating the SAR and RAR
Your research and your Workspace exercise have led you to this moment: creating your SAR and RAR. Consider what you have learned in the previous steps as you create your reports for leadership.
Prepare a Security Assessment Report (SAR) with the following sections:
The final SAR does not have to stay within this framework and can be designed to fulfill the goal of the security assessment.
Prepare a risk assessment report (RAR) with information on the threats, vulnerabilities, likelihood of exploitation of security weaknesses, impact assessments for exploitation of security weaknesses, remediation, and cost/benefit analyses of remediation.
Devise a high-level plan of action with interim milestones (POAM) in a system methodology to remedy your findings.
Include this high-level plan in the RAR.
Summarize the results you obtained from the vulnerability assessment tools (i.e., MBSA and OpenVAS) in your report.
The deliverables for this project are as follows:
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