Does the US nuclear policy still target cities?
The history of nuclear strategic bombing Daniel Ellsberg’s The Doomsday Machine brought my attention to a horrifying fact about early US nuclear targeting...
Jeffrey Ladish Homepage
Welcome to my home page. You'll find a collection of my work here: guides to securing your online accounts and personal devices, write-ups on risks from emerging technologies, book and article reviews, and some information about me. If you're interested in the motivation for my work, and how I think we got here, read this post.Recent Posts
Letting Go Without Giving Up Permalink
I wrote this for the 2018 bay area solstice celebration. A recording is available here.
Schelling Network Oracles are Vulnerable to Manipulation Permalink
Schelling oracles should be abandoned in favor of better systems. It’s better to have a small group of verified & trusted reporters than a trivially gama...
How to use Yubikeys for your Gmail second factor
Created by Landfish This tutorial explains how to configure your account with two security keys and an authenticator app. This is the highest form of Gmail ...
How to set up Signal Messenger
Created by Landfish Android How to: Use Signal for Android iOS How to: Use Signal on iOS Desktop - Mac or Windows How do I install Signal ...
Security Checklist
Created by Landfish Instructions for using this checklist Go through each section of the checklist. I recommend setting aside at least an hour to go thro...
Setting up 2FA and a Password Manager
Created by Landfish This document describes the basic steps to setting up a password manager, generating secure passwords, and setting up 2FA on your accoun...
Smart contracts will make ransomware more profitable part 2 Permalink
Following post 1, I explain a flaw in the simplified model, and how a more complex key exchange model could facilitate ransomware key exchange. I also explai...
Smart contracts will make ransomware more profitable part 1 Permalink
Ransomware operators would benefit from being able to credibly commit to restoring people’s data. Smart contracts could make this possible.