EFF defends your privacy and free expression because technology should serve all people, not just the powerful. We’re a nonprofit powered by members, and we need you in this fight.

Founded in 1990, EFF champions user privacy, free expression, and innovation through impact litigation, policy analysis, grassroots activism, and technology development. EFF's mission is to …

EFF’s team of technologists and computer scientists engineers solutions to the problems of sneaky tracking, inconsistent encryption, and more. Where users face threats to their privacy and security …

EFF fights in the courts and Congress to maintain your privacy rights in the digital world, and works with partners around the globe to support the development of privacy-protecting technologies.

Surveillance Self-Defense is EFF's online guide to defending yourself and your friends from surveillance by using secure technology and developing careful practices.

Join EFF's Action Center to advocate for digital rights, fight surveillance, and support free speech and innovation through impactful actions.

EFF is excited to attend CypherCon! We'll be at the conference with an info booth, so be sure to stop by and chat with some of our team and learn about the latest developments in defending digital freedom …

EFF’s international team advocates for privacy, free speech, and an open internet around the world. We expose mass and unwarranted surveillance and educate unlawfully targeted users on how to protect …

Mar 4, 2025 · At EFF we spend a lot of time thinking about Street Level Surveillance technologies—the technologies used by police and other authorities to spy on you while you are going about your …

Jan 7, 2026 · EFF currently has a lawsuit against ICE over their pressure on Apple and Google to take down ICE spotting apps, like ICEBlock. We also represent multiple labor unions suing ICE over their …