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EFF's software development and technology research projects aim to improve the rights of free expression, security, and privacy on the internet.

  • HTTPS Everywhere is a Firefox extension that makes Firefox use HTTPS to the greatest extent possible
  • The SSL Observatory is a view of the state of HTTPS deployment in the IPv4 address space
  • Switzerland detects violations of network neutrality
  • Panopticlick shows how easy it is to uniquely identify browsers
  • Privacy Badger blocks spying ads and invisible trackers.
  • Write to your representatives with democracy.io

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NSA Spying

EFF is leading the fight against the NSA's illegal mass surveillance program. Learn more about what the program is, how it works, and what you can do.

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Some lawmakers want to undo crucial online privacy rules. Tell your members of Congress to defend your rights. https://act.eff.org/action/te...

Feb 21 @ 3:25pm

The movement to encrypt the web has reached a milestone, and we still have more work to do. https://www.eff.org/deeplinks...

Feb 21 @ 2:53pm

The M2 car hacking tool by @macchinaCC launches today. T-shirts help benefit EFF's fight for your right to repair. https://www.kickstarter.com/p...

Feb 21 @ 12:48pm
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