Hacks and spying: Is WhatsApp safe for diplomats?

CC-BY 4.0 Oliver HinzmannBrexit has forced a digital clean-up on diplomats in Brussels. Officials often use WhatsApp to coordinate meetings between EU member states. Entire working parties in the Council have a shadow life in group chats on the green app.
On October 31st, scores of British diplomats were taken off e-mail lists and kicked out of WhatsApp groups. As often on the chat app, some groups were re-founded minus one member to spare people’s feelings.
What happened in Brussels will