Security in a Box

Digital security tools and tactics.
If you’re new to digital security, the Tactics Guides cover the basic principles, including advice on how to use social networking platforms and mobile phones more safely. The Tool Guides offer step-by-step instructions to help you install and use the most essential digital security software and services.
→ https://securityinabox.org

Surveillance Self-Defense

Tips, Tools and How-tos for Safer Online Communications.
Modern technology has given those in power new abilities to eavesdrop and collect data on innocent people. Surveillance Self-Defense is EFF’s guide to defending yourself and your friends from surveillance by using secure technology and developing careful practices.

https://ssd.eff.org/

Security First- Umbrella App

Umbrella brings together all the latest tools and advice on how to operate securely. Just choose the problem you want help with – anything from sending a secure email to secure travel. It’s open-source and free to use.

https://secfirst.org/