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Access Controls Procedure Guide: Scenario Changing access controls can have some undesirable effects. Therefore, it is important to carefully consider changes before making them and provide mechanisms to reverse changes if they have unexpected consequences. Always Fresh management has asked you to develop procedures for changing any access controls. The purpose of these procedures is to ensure that staff: Understand and document the purpose of each access control change request Know what access controls were in place before any changes Get an approval of change by management Understand the scope of the change, both with respect to users, computers, and objects Have evaluated the expected impact of the change Know how to evaluate whether the change meets the goals Understand how to undo any change if necessary.

Sample Paper For Above instruction

Access Controls Procedure Guide: Scenario Changing Access Controls

In today's dynamic security environment, managing access controls effectively is crucial for protecting organizational assets. Changing access controls involves multiple considerations and potential risks. Therefore, establishing a standardized procedure ensures that changes are intentional, well-documented, and reversible if necessary. This paper presents a comprehensive guide aimed at security personnel responsible for implementing access control modifications within the organization "Always Fresh". The procedures outlined aim to promote procedural consistency, risk mitigation, and accountability in managing access controls.

Introduction

Changing access controls can influence an organization's security posture significantly. Whether the modifications involve granting, revoking, or altering permissions for users, computers, or objects, these actions must be handled with care. Proper procedures help prevent unintended access, maintain auditability, and allow restoration of previous settings if adverse effects occur. The following step-by-step process ensures that each change is justified, evaluated, and documented thoroughly.

Step 1: Identify and Document the Change Request

The process begins with the security personnel receiving a formal change request. This request should include the following information:

• The current status or setting of the access controls prior to the change.
• The explicit reason or justification for the change, such as a new project, role change, or security concern.
• The specific change to be implemented, including new permissions, restrictions, or access levels.
• The scope of the change, detailing which users, computers, and objects will be affected.

Documentation of the above ensures transparency and provides a baseline for assessing impact and reversing the change if needed.

Step 2: Review and Approve the Change

Although the assignment states that change requests are assumed approved, establishing a formal review process ensures legitimacy and minimizes errors. Management approval should be documented, either via electronic approval or through a sign-off process. This step involves verifying that the change aligns with organizational policies and security standards.

Step 3: Evaluate the Impact of the Change

Before implementation, security personnel must assess the potential impact of the change. This includes considering:

• If the change could inadvertently grant access to unauthorized individuals.
• The possible effect on existing access permissions and whether it might create conflicts or security gaps.
• How the change aligns with security policies and operational requirements.

It is recommended to simulate or review the change in a test environment if possible, especially for significant modifications.

Step 4: Implement the Change

With impact evaluation complete, security personnel proceed to make the change. This involves modifying access permissions using designated administrative tools. During implementation, it is essential to record the specific configuration or permissions set—this serves as the ‘status after change’. Note any adjustments, validation steps, or confirmations required during this process.

Step 5: Post-implementation Verification

After applying the change, verify that the new access controls function as intended. This includes testing the access permissions for affected users and auditing logs to confirm the change was successfully implemented. It also involves confirming that the scope and impact stated earlier were accurately realized.

Step 6: Document and Communicate the Change

Complete documentation should include a record of the previous status, reason for change, scope, impact assessment, the actual change implemented, and post-change verification results. Communicate the update to relevant stakeholders to ensure awareness and proper record-keeping.

Step 7: Prepare for Reversal if Necessary

An important aspect of change management is having a rollback plan. Security personnel should document the previous settings and establish procedures for reverting to the previous configuration quickly if unforeseen issues arise. This may involve restoring configuration backups or reapplying previous permissions.

Conclusion

Implementing access controls is a critical security task that requires meticulous planning and documentation. The outlined procedures promote an organized approach, ensuring controls are changed intentionally, impact is assessed, and reversibility is maintained. These practices enhance security posture and operational resilience within organizations like Always Fresh, where frequent access modifications may be necessary.

References

• Andress, J. (2014). The Basics of Information Security: Understanding the Fundamentals of InfoSec in Theory and Practice. Syngress.
• ISO/IEC 27001:2013. (2013). Information security management systems — Requirements. International Organization for Standardization.
• Whitman, M. E., & Mattord, H. J. (2018). Principles of Information Security. Cengage Learning.
• Krutz, R. L., & Vines, R. D. (2010). Enterprise Network Security: Internal, External, and Application Security. Wiley.
• Peltier, T. R. (2016). Information Security Policies, Procedures, and Standards: guidelines for effective information security management. CRC Press.