Yahoo7 News | Experts warn of PM's WhatsApp use NEWS.com.au Experts have warned the prime minister and senior government ministers their use of messaging service Whatsapp could pose a security risk. Malcolm Turnbull and others, including chiefs of staff and media advisers, have been using the Facebook-owned ... Malcolm Turnbull and senior cabinet ministers using WhatsApp could pose security risk: experts Malcolm Turnbull putting Australia's national security at risk by using WhatsApp |