http://ssd.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/ps/module/keeping-your-data-safe
Or, an encrypted USB key kept safely hidden can be a simpler solution if you only need to store sensitive data. Don’t log in to your usual accounts : If you do use your secure device to connect to the internet, create separate web or email accounts that you use for communications from this device, and use Tor (see guides for Linux , macOS , Windows , and smartphones ) to keep your IP address hidden from those services.