The best method to report continuous assessment of a cloud provider's services to the Cloud Security Alliance (CSA) is through a set of dedicated application programming interfaces (APIs).According to the CSA website1, the STAR Continuous program is a component of the STAR certification that allows cloud service providers to validate their security posture on an ongoing basis. The STAR Continuous program leverages a set of APIs that can integrate with the cloud provider's existing tools and processes, such as security information and event management (SIEM), governance, risk management, and compliance (GRC), or continuous monitoring systems. The APIs enable the cloud provider to collect, analyze, and report security-related data to the CSA STAR registry in near real-time. The APIs also allow the CSA to verify the data and provide feedback to the cloud provider and the customers. The STAR Continuous program aims to provide more transparency, assurance, and trust in the cloud ecosystem by enabling continuous visibility into the security performance of cloud services.

The other methods listed are not suitable for reporting continuous assessment of a cloud provider's services to the CSA. The Cloud Controls Matrix (CCM) assessment by a third-party auditor on a periodic basis is part of the STAR Certification Level 2 program, which provides a point-in-time validation of the cloud provider's security controls.However, this method does not provide continuous assessment or reporting, as it only occurs once every 12 or 24 months2. The tools selected by the third-party auditor may vary depending on the scope, criteria, and methodology of the audit, and they may not be compatible or consistent with the CSA's standards and frameworks. Moreover, the tools may not be able to report the audit results to the CSA STAR registry automatically or frequently. The SOC 2 Type 2 attestation is an independent audit report that evaluates the cloud provider's security controls based on the American Institute of Certified Public Accountants (AICPA) Trust Services Criteria. However, this report is not specific to cloud computing and does not cover all aspects of the CCM.Furthermore, this report is not intended to be shared publicly or reported to the CSA STAR registry3.

STAR Continuous | CSA

STAR Certification | CSA

SOC 2 vs CSA STAR: Which One Should You Choose?

A RACI chart is a tool used to clarify the roles and responsibilities in processes, projects, or operations. In the context of cloud compliance, documenting these responsibilities in a RACI chart ensures that all parties within the enterprise are aware of their specific obligations regarding compliance with laws and regulations. This helps in creating a clear, organized view of how each part of the organization contributes to overall compliance, facilitating better coordination and accountability.

Reference= The answer is informed by general best practices in cloud compliance and governance, which recommend the use of RACI charts or similar tools to delineate responsibilities clearly. While I can't reference specific documents from the CCAK or related resources, these practices are widely accepted in the field of cloud security and compliance.

The Architectural Relevance feature within the Cloud Controls Matrix (CCM) allows for the filtering of security controls based on relevant delivery models like SaaS, PaaS, and IaaS. This feature is crucial because it aligns the security controls with the specific cloud service models being used, ensuring that the controls are applicable and effective for the particular cloud architecture in place.

Reference= The CCM's focus on delivery models is supported by the CSA Enterprise Architecture Working Group, which helps define the organizational relevance of each control, including the alignment with different cloud service models1.

The most relevant question in the cloud compliance program design phase is who owns the cloud governance strategy. Cloud governance is a method of information and technology (I&T) governance focused on accountability, defining decision rights and balancing benefit, risk and resources in an environment that embraces cloud computing.Cloud governance creates business-driven policies and principles that establish the appropriate degree of investments and control around the life cycle process for cloud computing services1. Therefore, it is essential to identify who owns the cloud governance strategy in the organization, as this will determine the roles and responsibilities, decision-making authority, reporting structure, and escalation process for cloud compliance issues.The cloud governance owner should be a senior executive who has the vision, influence, and resources to drive the cloud compliance program and align it with the business objectives2.

Building Cloud Governance From the Basics - ISACA

[Cloud Governance | Microsoft Azure]

Transparent data encryption (TDE) is used for data and log files at rest. This means that TDE encrypts the database files on the disk and decrypts them when they are read into memory. TDE protects the data from unauthorized access or theft if the physical media, such as drives or backup tapes, are stolen or lost. TDE does not encrypt data across communication channels, data currently being processed, or data in random access memory (RAM).These types of data require different encryption methods, such as SSL/TLS, column encryption, or memory encryption12.

Transparent data encryption (TDE) - SQL Server | Microsoft Learn

Transparent Data Encryption - Oracle Help Center