Do you plan to use Microsoft's cloud services? See how data is secured and what mechanisms and certifications are used to fulfill organization's need for compliance.
Check out the https://www.microsoft.com/en-us/trustcenter/Compliance
Filter by services to see the corresponding certifications and a describing article about the specific meaning. For example, see the EU Model clause here:
https://www.microsoft.com/en-us/TrustCenter/Compliance/EU-Model-Clauses
On that Microsoft Trust Center webpage ther are also direct links:
Recently, another ISO certification could be added: Microsoft obtains new cloud-centric ISO 27017 certification
Be informed about security in the Microsoft Cloud for Azure, Office 365 and other Microsoft services. As you can see, the processes and data security is taken very seriously by Microsoft.
Don't forget to check your own organization's security as well! Are you secure with your IT-services...?