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Security Education Companion
A free resource for digital security educators

Welcome to the Security Education Companion! SEC is a resource for people teaching digital security to their friends and neighbors.

If you are new to digital security, want tutorials for privacy-protecting tools, or want translated guides in 11 languages, head to Surveillance Self-Defense (SSD).

Lessons

Putting together a lesson plan for a digital security workshop? Check out our beginner-friendly lesson modules.

Passwords

Passwords

Duration: 30 minutes - 1 hour
BeginningIntermediate
Social media

Locking Down Social Media

Duration: 1 hour
Beginning
Threat model 2

Threat Modeling

Duration: 30 minutes - 1 hour and 30 minutes
BeginningIntermediate

Security News

Want to stay up-to-date with security news? Check out our curated posts from EFF's Deeplinks blog.

Announcing STARTTLS Everywhere: Securing Hop-to-Hop Email Delivery

Starttls everywhere banner 0

Today we’re announcing the launch of STARTTLS Everywhere, EFF’s initiative to improve the security of the email ecosystem.

Thanks to previous EFF efforts like Let's Encrypt, and Certbot, as well as help from the major web browsers, we've seen significant wins in encrypting the web. Now we want to do for email what we’ve done for web browsing: make it simple and easy for everyone to help ensure their communications aren’t vulnerable to mass surveillance.

Note that this is...

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A Technical Deep Dive into STARTTLS Everywhere

Starttls everywhere banner 0

Today we’re announcing the launch of STARTTLS Everywhere, EFF’s initiative to improve the security of the email ecosystem.

Thanks to previous EFF efforts like Let's Encrypt, and Certbot, as well as help from the major web browsers, we've seen significant wins in encrypting the web. Now we want to do for email what we’ve done for web browsing: make it simple and easy for everyone to help ensure their communications aren’t vulnerable to mass surveillance.

Note that this...

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How To Turn PGP Back On As Safely As Possible

Og efail resized

Previously, EFF recommended to PGP users that, because of new attacks revealed by researchers from Münster University of Applied Sciences, Ruhr University Bochum, and NXP Semiconductors, they should disable the PGP plugins in their email clients for now. You can read more detailed rationale for this advice in our FAQ on the topic, but undoubtedly the most frequently asked question has been: how long is for now? When will it be safe to use PGP for email again?

... Read More