Security Planner is a custom security advice tool from Citizen Lab. Answer a few questions, and it gives you a few simple things you can do to improve your security. It’s not meant to be comprehensive, but instead to give people things they can actually do to immediately improve their security. I don’t see it replacing any of the good security guides out there, but instead augmenting them.
The advice is peer reviewed, and the team behind Security Planner is committed to keeping it up to date.
Note: I am an advisor to this project.