So, is this a realistic threat, and what can you do about it?
What Risks Do Your Wireless Devices Actually Pose?
Such devices include pacemakers, insulin pumps, and defibrillators.
Lucas Gouveia / How-To Geek
How to Protect Yourself
So how can you protect yourself from these high-tech attacks?
The answers are actually pretty low-tech.
Vigilance is the first and best protection.
Avoid leaving your wallet sitting on the bar while you chat to your friends.
If you want physical protection, metal blocks wireless signals (hence the old tin foil hat trope).
When it comes to your phone, however, your options are limited.