By James Clayton and Cody Godwin
The electronic devices around the US president are perhaps the most prominent hacking targets in the world.
“The odds are zero, that [Russia] aren’t targeting world leaders,” Harvard Kennedy School lecturer Bruce Schneier says.
Back in the 2000s, this wasn’t such a big problem – the only personal devices that could be hacked were computers and non-smart mobile phones.
And why would the president need a mobile, when he could ask to be patched through to anyone in the world on a secure line.