Which standard should a global cloud services provider apply for using forensics methodologies?

The International Organization for Standardization (ISO) 27050-1 is the appropriate standard for a global cloud services provider to apply when using forensics methodologies. This standard specifically addresses the processes and guidelines related to the handling of electronic evidence and the practices of digital forensics. It provides a structured approach to ensuring that forensic investigations are conducted in a manner that maintains the integrity and authenticity of the data.

Adopting ISO 27050-1 helps organizations ensure compliance with legal and regulatory requirements while also establishing best practices for collecting, preserving, and analyzing evidence in a digital format. This is especially critical in a cloud environment where data can be dispersed across multiple jurisdictions and systems.

In contrast, the other options would not be as directly applicable in this context. The Sarbanes-Oxley Act (SOX) focuses primarily on compliance and financial reporting for publicly traded companies, rather than specific methodologies for forensic investigations. The Cloud Controls Matrix (CCM) is more focused on assessing cloud provider security controls and does not provide the same depth of guidelines for forensic methodologies. The IEC 27037 also addresses aspects of handling electronic evidence but is more focused on general information security management rather than specifically tailored for forensic practices like ISO 27050-1.