On Trustwave Managed SIEM's Privacy Page you can request and collect all the privacy and GDPR related information that Trustwave Managed SIEM is providing.
The privacy policy by is a legal document or statement that discloses how Trustwave Managed SIEM gathers, uses, discloses, and manges their customers' data.
The basis for Trustwave sharing, adding, uploading, hosting, accessing or sending personal data out of Europe. Vendors can also add a description of their own impact assessment for data transfers.