DFAK: the digital first aid kit

A Safety Guide for Artists, un guide de Pen America

Digital Safety: Remove personal data from the internet

Security in a box : specifically aimed at activists and human rights defenders

Security planner: Keep Your Data Secure With a Personalized Plan

Hardening macOS

Soap: The free and simple tool that enables civil society organizations to build better security policies

Surveillance self defense guide By EFF : one of the best guide out there with tutorials, overviews articles and detailed guides for specific situations.

Zen and the art of making tech work for you: a community-built resource for women and trans activists, human rights defenders and technologists

Reporters Whitout Borders Safety Guide for Journalists include a specific chapters on digital safety

Exposing the invisible more about new tools of online investigation than sources protection