GDPR: how can I email data securely to comply with the new regulations?

Robert is often required to email sensitive data. Is there a secure way of doing so in view of the new data protection laws?

Emails are more like plain text postcards because they can, in theory, be read at any of the many servers through which they pass, or by someone tapping a line. Of course, “read by” is unlikely to mean “read by a human being.” However, software can look for things like passwords and credit card numbers.

Source: GDPR: how can I email data securely to comply with the new regulations? | Technology | The Guardian