I co-wrote a border search guide for EFF some years ago. I was very interested in finding clever technical approaches but I later ended up feeling that I hadn't given enough thought to the overall threat model questions (even though the guide did address them, perhaps even somewhat usefully). The big picture problem is that the agents performing the searches have an enormous amount of power in terms of potentially se…
> The big picture problem is that the agents performing the searches have an enormous amount of power in terms of potentially seizing devices and potentially denying entry for non-citizens. I think they should not have this power, but the agents and courts probably don't care that I think that. That's the reason I never traveled to the US and never will, just having IT security in your CV is enough to make the border…
I do know two people who have experienced them as a result of the government taking a personal interest in them, so it's certainly not impossible. However, it's not a common experience.
I've personally experienced searches of my suitcases about four times in about 100 U.S. border crossings (as a U.S. citizen, but the people performing or directing those searches generally didn't know my citizenship status), and zero electronic device searches.