https://www.reuters.com/article/us-facebook-cyber-whatsapp-nsogroup/exclusive-whatsapp-hacked-to-spy-on-top-government-officials-at-u-s-allies-sources-idUSKBN1XA27H

Senior government officials in multiple U.S.-allied countries were targeted earlier this year with hacking software that used Facebook Inc's WhatsApp to take over users' phones, according to people familiar with the messaging company's investigation.