On Symantec Web Isolation's Privacy Page you can request and collect all the privacy and GDPR related information that Symantec Web Isolation is providing.
The privacy policy by is a legal document or statement that discloses how Symantec Web Isolation gathers, uses, discloses, and manges their customers' data.
The basis for Symantec 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.