Technology

I don't trust myself to be able to reliably keep private key private
Wrote a blog post about it: http://www.iamthespecialist.com/2014/03/how-to-securely-store-private-keys.html

I don't trust device I'm using
See what they did to Snowden's laptop: https://media.ccc.de/browse/conferences/camp2015/camp2015-6799-how_to_destroy_a_laptop_with_top_secrets.html#video

I don't trust person on the other side of the wire
Need no explanation :) Ever since I remember I treat all information as public and in my electronic communication I rarely speak about illegal activities.

Two-factor authentication
Using in all places that contain some valuable information:
 * Google
 * Apple
 * Facebook
 * Twitter
 * LinkedIn
 * Dropbox
 * Github
 * Amazon

Twitter
https://www.reddit.com/r/Twitter/comments/3j6xx6/what_is_the_recovery_procedure_with_2factor/

LinkedIn
"'If you were to loose access to your account and phone, then you would be required to send us a valid government issued ID for further verification.'"