Modern technology has given the powerful 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.

Select an article from our index to learn about a tool or issue, or check out one of our playlists to take a guided tour through a new set of skills.

Overviews

Understanding the basics: What digital surveillance is, and how you can fight it.

 
Tutorials

Step-by-step guides to help you install and use handy software and tools.

 
Briefings

Detailed guides for specific situations.

 
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