Earlier quoted context omitted.
> They take the devices away for some period, but if they’re securely locked, TSA won’t be able to get anything from them. It is well documented that there is no cell phone that cannot be unlocked. And once it's unlocked, who knows what the real goal is. On the surface, one suspects that it's to examine its contents. But other possibilities include sideloading spyware, or even targeted viruses. Some random NGO secret…
I’m not aware of anything better than brute force attacks for any vaguely recent iPhone.
http://iphone.appleinsider.com/articles/18/02/26/cellebrite-...