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STAR Registry Listing for


Founded in 2013 by the Cloud Security Alliance, the Security Trust Assurance and Risk (STAR) registry encompasses key principles of transparency, rigorous auditing, and cloud security and privacy best practices.



SiGREEN software allows you to manage and reduce emissions along the entire value chain.

SiGREEN is fully functional in stand-alone mode and ready to use. As a software-as-a-service solution, no installation or integration into existing systems is necessary. SiGREEN benefits your suppliers too: They can provide and exchange emissions data with you - easily, flexibly and cost-effectively. Depending on your needs, the fully functional tool can also be integrated into your existing IT/OT landscape and connected to your ERP systems, shop-floor IT or design tools through a variety of interfaces.

View other services by Siemens AG:

Organizations who have the CSA Trusted Cloud Provider seal demonstrate a commitment to organizational security. They are a CSA Corporate Member volunteer regularly for CSA, and have at least one staff member who has earned their CCSK.
Information about SiGREEN
Listed Since: 08/18/2023
Last Updated: 10/05/2023

Level 1: Self-Assessment

At level one organizations can submit one or both of the security and privacy self-assessments. These are based off of the Cloud Controls Matrix and the CSA Code of Conduct for GDPR Compliance.

Security Self-Assessment
Consensus Assessments Initiative Questionnaire v4.0.2
Offers an industry-accepted way to document what security controls exist in IaaS, PaaS, and SaaS services. It provides a set of Yes/No questions a cloud consumer and cloud auditor may wish to ask of a cloud provider to ascertain their compliance to the CSA Cloud Controls Matrix (CCM).