There was a capability to do this, at least last year: https://nakedsecurity.sophos.com/2015/02/17/whatsapp-spy-tool-lets-anyone-track-when-youre-online/ https

There was a capability to do this, at least last year: https://nakedsecurity.sophos.com/2015/02/17/whatsapp-spy-tool-lets-anyone-track-when-youre-online/ https://nakedsecurity.sophos.com/2015/02/17/whatsapp-spy-too...