A California trial court has held a geofence warrant issued to the San Francisco Police Department violated the Fourth Amendment and California’s landmark electronic communications privacy law, CalECPA. The court suppressed evidence stemming from the warrant, becoming the first court in California to do so. EFF filed an...

Want the latest news on your digital rights? Well, you're in luck! Version 34, issue 5 of our EFFector newsletter is out now. Catch up on the latest EFF news by reading our newsletter or listening to the audio version below. This issue covers EFF's current work, including our...

Copyright trolls typically don’t produce or distribute content, but instead make money off of copyrighted material by using the threat of litigation to shake down people who allegedly download movies and other content over the internet—a business model that invites harassment and abuse. These entities operate in many countries around...

Chile’s internet service providers (ISPs) have over the last five years improved transparency about how they protect their users’ data, thanks in large part to Latin American digital rights group Derechos Digitales shining a light on their practices through annual ¿Quien Defiende Tus Datos? (Who Defends Your Data?) reports.Better transparency...

Update May 7, 2024: Since publication we have obtained a full-color version of many of the slides.Researchers at a national laboratory are forecasting a future where police and border agents are assisted by artificial intelligence, not as a software tool but as an autonomous partner capable of taking the...

The First Amendment and the freedom of speech and expression it provides has helped make the internet what it is today: a place for diverse communities, support networks, and forums of all stripes to share information and connect people. Individuals and groups exercise their constitutional right to host and moderate...

Tor, the onion router, remains one of the most effective censorship circumvention technologies. Millions of people use the Tor network every day to access the internet without fear of surveillance and censorship.Most people get on the Tor network by downloading the Tor Browser and connecting to a relay. But...

This blog post was co-written with EFF Legal Intern Allie SchieleThere is no dispute that cell phones contain a lot of personal information. The Supreme Court recognized in 2014 in Riley v. California that a cell phone is “not just another technological convenience. With all they contain and all they...

In the wake of the Supreme Court’s Dobbs decision, anti-choice sheriffs and bounty hunters will try to investigate and punish abortion seekers based on their internet browsing, private messaging, and phone app location data. We can expect similar tactics from state officials who claim that parents...

We’ve all read the news stories: study after study shows that facial recognition algorithms are not always reliable, and that error rates spike significantly when involving faces of folks of color, especially Black women, as well as trans and nonbinary people. Yet this...