What would you use to communicate and protect yourself when you're in the following situation - Please rate my system

You're a businessman visiting a country that's well known for human rights abuses and surveillance of foreigners that most likely will want to put you under surveillance or even tamper with your devices. I'm using what I know how to use correctly and so other systems might be better but they're not something I'm familiar with.

Here's my list: Please correct me if you can improve it.

1. I would use Signal to communicate using immediately disposable messages as my main …

privacy protect protect yourself system