Wrong. They are the number one security problem for email in traditional business, state and semi-state sectors. Certainly in my corner of Europe. I always ask

Wrong. They are the number one security problem for email in traditional business, state and semi-state sectors. Certainly in my corner of Europe. I always ask orgs to consider a blanket ban on them but almost none can go that far. They are extremely widely used and shared among healthcare, pharmaceutical, government councils and many other types of organisations.