Posts tagged Security

How to check if Bash is vulnerable to Heartbleed

Run this line in your Bash console:

env x='() { :;}; echo vulnerable' bash -c "only this line should appear"

If you see this, your Bash is vulnerable to Heartbleed:

only this line should appear

If you see this, your Bash is secure from Heartbleed:

only this line should appear

The best PGP tutorial for Mac OS X, ever

When I decided to set up my Mac with PGP encrypted communications, I could not believe how hard it was – not just to set up the software, but to understand how to use PGP properly. There was no “PGP for Dummies” tutorial for OS X on the internet. So I decided to write one. This is my ├╝ber simple, nerd-free tutorial for anyone on Mac. In it, I will:

  1. Cover exactly how to install and configure PGP on OS X
  2. Demonstrate how to use PGP in real life