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?As a freelance media professional, I am often asked by my various employers to send copies of my passport, completed visa forms and other sensitive data in the form of email attachments. I have recently questioned this and have not really got a satisfactory response. I have tried uploading these documents to my Google Drive account and giving them a link, though I don&rsquo