Which of the following BEST ensures adequate restriction on the number of people who can access the pipeline production environment?
Correct Answer:
C
Role-based access control (RBAC) is a method of restricting access to resources based on the roles of individual users within an organization1 RBAC can help ensure adequate restriction on the number of people who can access the pipeline production environment, as it can limit the permissions and actions that each user can perform on the pipeline resources, such as code, secrets, environments, etc. RBAC can also help enforce the principle of least privilege, which states that users should only have the minimum level of access required to perform their tasks2
The other options are not correct because:
✑ Option A is not correct because ensuring segregation of duties in the production and development pipelines is not sufficient to ensure adequate restriction on the number of people who can access the pipeline production
environment. Segregation of duties is a practice that aims to prevent fraud, errors, or conflicts of interest by dividing responsibilities among different people or
teams3 However, segregation of duties does not necessarily limit the number of people who can access the pipeline resources, as it depends on how the roles and permissions are defined and assigned. Segregation of duties is also more relevant for preventing unauthorized changes or deployments to the production environment, rather than restricting access to it4
✑ Option B is not correct because periodic review of the continuous integration and
continuous delivery (CI/CD) pipeline audit logs to identify any access violations is not a proactive measure to ensure adequate restriction on the number of people who can access the pipeline production environment. Audit logs are records of events or activities that occur within a system or process5 Audit logs can help monitor and detect any unauthorized or suspicious access to the pipeline resources, but they cannot prevent or restrict such access in the first place. Audit logs are also dependent on the frequency and quality of the review process, which may not be timely or effective enough to mitigate the risks of access violations6
✑ Option D is not correct because separation of production and development pipelines is not a direct way to ensure adequate restriction on the number of people who can access the pipeline production environment. Separation of production and development pipelines is a practice that aims to isolate and protect the production environment from any potential errors, bugs, or vulnerabilities that may arise from the development process. However, separation of pipelines does not automatically imply restriction of access, as it depends on how the roles and permissions are configured for each pipeline. Separation of pipelines may also introduce challenges such as synchronization, coordination, and communication among the pipeline teams and stakeholders.
References: 1: Wikipedia. Role-based access control - Wikipedia.
[Online]. Available: 1. [Accessed: 14-Apr-2023]. 2: Microsoft Learn. Set pipeline permissions - Azure Pipelines | Microsoft Learn. [Online]. Available: 1. [Accessed: 14-Apr- 2023]. 3: Investopedia. Segregation Of Duties Definition - Investopedia.com Blog. [Online]. Available: . [Accessed: 14-Apr-2023]. 4: Cider Security. Insufficient PBAC (Pipeline-Based Access Controls) - Cider Security Blog. [Online]. Available: . [Accessed: 14-Apr-2023]. 5: Wikipedia. Audit trail - Wikipedia. [Online]. Available: . [Accessed: 14-Apr-2023]. 6: Microsoft Learn. Securing Azure Pipelines - Azure Pipelines | Microsoft Learn. [Online]. Available: . [Accessed: 14-Apr-2023]. : AWS DevOps Blog. How to implement CI/CD with AWS CodePipeline - AWS DevOps Blog | Amazon Web Services Blog. [Online]. Available:
. [Accessed: 14-Apr-2023]. : LambdaTest. What Is Parallel Testing? with Example - LambdaTest Blog. [Online]. Available: . [Accessed: 14-Apr-2023].
The three layers of Open Certification Framework (OCF) PRIMARILY help cloud service providers and cloud clients improve the level of:
Correct Answer:
D
The three layers of the Open Certification Framework (OCF) primarily help cloud service providers and cloud clients improve the level of transparency and assurance. The OCF is designed to provide a trusted and independent evaluation of cloud providers through a flexible, incremental, and multi-layered certification process. This framework enhances transparency by making it easier for consumers to understand and compare providers?? security and compliance capabilities. Additionally, it offers assurance by integrating with third-party assessment and attestation statements, thereby increasing the security baseline for all participants.
References = The benefits of the OCF in improving transparency and assurance are
detailed in the Cloud Security Alliance??s documentation on the Open Certification Framework1.
In a multi-level supply chain structure where cloud service provider A relies on other sub cloud services, the provider should ensure that any compliance requirements relevant to the provider are:
Correct Answer:
C
In a multi-level supply chain structure where cloud service provider A relies on other sub cloud service providers, the provider should ensure that any compliance requirements relevant to the provider are passed to the sub cloud service providers. This is because the sub cloud service providers may have access to or process the provider??s data or resources, and therefore need to comply with the same standards and regulations as the provider. Passing the compliance requirements to the sub cloud service providers can also help the provider to monitor and audit the sub cloud service providers?? performance and security, and to mitigate any risks or issues that may arise.
References:
✑ ISACA, Certificate of Cloud Auditing Knowledge (CCAK) Study Guide, 2021, p. 85- 86.
✑ CSA, Cloud Controls Matrix (CCM) v4.0, 2021, p. 7-8
Which of the following BEST ensures adequate restriction on the number of people who can access the pipeline production environment?
Correct Answer:
C
Role-based access controls (RBAC) are a method of restricting access to resources based on the roles of individual users within an organization. RBAC allows administrators to assign permissions to roles, rather than to specific users, and then assign users to those roles. This simplifies the management of access rights and reduces the risk of unauthorized or excessive access. RBAC is especially important for ensuring adequate restriction on the number of people who can access the pipeline production environment, which is the final stage of the continuous integration and continuous delivery (CI/CD) process where code is deployed to the end-users. Access to the production environment should be limited to only those who are responsible for deploying, monitoring, and maintaining the code, such as production engineers, release managers, or site reliability engineers. Developers, testers, or other stakeholders should not have access to the production environment, as this could compromise the security, quality, and performance of the code. RBAC can help enforce this separation of duties and responsibilities by defining different roles for different pipeline stages and granting appropriate permissions to each role. For example, developers may have permission to create, edit, and test code in the development pipeline, but not to deploy or modify code in the production pipeline. Conversely, production engineers may have permission to deploy, monitor, and troubleshoot code in the production pipeline, but not to create or edit code in the development pipeline. RBAC can also help implement the principle of least privilege, which states that users should only have the minimum level of access required to perform their tasks. This reduces the attack surface and minimizes the potential damage in case of a breach or misuse. RBAC can be configured at different levels of granularity, such as at the organization, project, or object level, depending on the needs and complexity of the organization. RBAC can also leverage existing identity and access management (IAM) solutions, such as Azure Active Directory or AWS IAM, to integrate with cloud services and applications.
References:
✑ Set pipeline permissions - Azure Pipelines
✑ Azure DevOps: Access, Roles and Permissions
✑ Cloud Computing — What IT Auditors Should Really Know
Cloud Controls Matrix (CCM) controls can be used by cloud customers to:
Correct Answer:
C
The Cloud Controls Matrix (CCM) is a cybersecurity control framework for cloud computing that can be used by cloud customers to build an operational cloud risk management program. The CCM provides guidance on which security controls should be implemented by which actor within the cloud supply chain, and maps the controls to industry-accepted security standards, regulations, and frameworks. The CCM can help cloud customers to assess the security posture of their cloud service providers, document their own responsibilities and requirements, and establish a baseline for cloud security assurance and compliance. References :=
✑ Cloud Controls Matrix (CCM) - CSA1
✑ What is the Cloud Controls Matrix (CCM)? - Cloud Security Alliance2
✑ Certificate of Cloud Auditing Knowledge (CCAK) Study Guide, Chapter 5: Cloud Assurance Frameworks