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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

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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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DOJ saw the writing on the wall, will require a warrant to use 'Stingray' cellphone trackers: https://eff.org/r.fbd9

Sep 3 @ 4:38pm

Libraries and booksellers band together to support Wikimedia’s lawsuit against NSA. Read our brief: https://eff.org/r.49dp

Sep 3 @ 1:50pm

Los Angeles Times endorses CalECPA: "These safeguards are overdue in an increasingly interconnected world…” https://eff.org/r.7dpt

Sep 3 @ 1:36pm
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