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Electronic Frontier Foundation

Onward, Friends EFFecting Change: LGBTQ+ Solidarity Against the Tide of Surveillance EFFecting Change Site Banner 6.17.26 Victory! 702 has Expired! Yes to California's Bill to Ban Surveillance Pricing ‘News’ Site Keeps Hallucinating EFF Staffers LGBT Q&A: We’re Back With Season 2! Congress Just Rushed Through a Disastrous Copyright Office Overhaul The 702 Ultimatum: Warrant Requirement or Bust Enshittification Merch That Actually Fights Enshittification 🔊 Mass Surveillance for… Loud Music? | EFFector 38.11 How and Why to Fight Back Against Social Media Bans Tell Congress: Just Say No to NO FAKES VICTORY: Meta Strips Facial Recognition Code From Smart Glasses App After Public Outcry Cheers to the Winners of EFF’s 18th Annual Cyberlaw Trivia Night! EFFecting Change: If You Own It, Why Can't You Fix It? Internet Age-Gates Are a Growing Global Threat LGBT Q&A Season 1 Recap: Staying Safer Online EFF at TechCrunch Disrupt California’s AB 412 Still Demands Developers Do The Impossible Pulte Appointment Underscores Need to Reform Section 702 Spying EFF Testifies to Congress on Protecting Americans’ Rights from Government AI Move Fast, Surveil Things EFF at DEF CON 34 We're Fighting Mass Surveillance Tech—and Winning Welcome New EFF Executive Director Nicole Ozer One Step Forward, Two Steps Back: CA's AB 1856 Exempts Open Source But Expands Age-Gating Barcelona Cybersecurity Congress Age Verification is a Privacy Nightmare More License Plate Reader Mission Creep: School Residency Verification, Background Checks, and Noise Complaints 🔒 A Win for Encrypted Messaging | EFFector 38.10 Microsoft Took a Step Toward Human Rights Accountability. Google and Amazon (and Others) Should Pay Attention! Your Privacy Shouldn't Be A Corporate Decision EFFecting Change: LGBTQ+ Solidarity Against the Tide of Surveillance We Updated Our Privacy Policy. Here's What Changed and Why. We Must Not Normalize Digital Surveillance Abuses. EFF’s New Guide Underlines Concrete Steps to Fight Back. EFF at Black Hat USA Help EFF Solve an Issue That's Bigger than Creepy Ads The Science is Not Settled: How Weak Evidence is Fueling a National Push to Ban Social Media for Youth Broken Promises: RIP Instagram’s End-to-End Encrypted DMs Victory! End-to-End Encrypted RCS Comes to Apple and Android Chats EFF Launches New Offline Campaign for Saudi Wikipedian Osama Khalid A Hackers Guide to Circumventing Internet Shutdowns Canada’s Bill C-22 Is a Repackaged Version of Last Year’s Surveillance Nightmare EFF to Fourth Circuit: Electronic Device Searches at the Border Require a Warrant EFFecting Change Site Banner 5.14.26 EFF Stands in Solidarity With RightsCon and the Global Digital Rights Community Congress Narrowed the GUARD Act, But Serious Problems Remain Free Signal Guide Milestone 1.0.0 Release of APK Downloader `apkeep` Powers Research on Android Apps 👎 California's Terrible, No Good, Very Bad Social Media Ban | EFFector 38.9 The SECURE Data Act is Not a Serious Piece of Privacy Legislation Offline: Osama Khalid EFF and 18 Organizations Urge UK Policymakers to Prioritize Addressing the Roots of Online Harm Shut Down Turnkey Totalitarianism EFF Submission to UK Consultation on Digital ID Getting Digital Fairness Right: EFF's Recommendations for the EU's Digital Fairness Act A Bridge to Somewhere: How to Link Your Mastodon, Bluesky, or Other Federated Accounts Utah’s New Law Targeting VPNs Goes Into Effect Next Week Open Records Laws Reveal ALPRs’ Sprawling Surveillance. Now States Want to Block What the Public Sees. Digital Hopes, Real Power: From Connection to Collective Action Aaron v. Bondi EFF Submission to UN Report on the Role of Media in the Context of Israel’s Policies Toward Palestinians Former EFF Activism Director's New Book, Transaction Denied, Explores What Happens When Financial Companies Act like Censors The Open Social Web Needs Section 230 to Survive The GUARD Act Isn’t Targeting Dangerous AI—It’s Blocking Everyday Internet Use Congress Must Reject New Insufficient 702 Reauthorization Bill The Internet Still Works: SmugMug Powers Online Photography Act Now to Stop California’s Paternalistic and Privacy-Destroying Social Media Ban EFF Challenges Secrecy In Eastern District of Texas Patent Case California Coastal Community Must Reject CBP's AI-Powered Surveillance Tower EFF to 9th Circuit (Again): App Stores Shouldn’t Be Liable for Processing Payments for User Content 📁 How ICE Got My Data | EFFector 38.8 EFF Sues DHS and ICE For Records on Subpoenas Seeking to Unmask Online Critics Bay Area Members' Speakeasy with WISP Copyright and DMCA Best Practices for Fediverse Operators Palantir Has a Human Rights Policy. Its ICE Work Tells a Different Story Keep Pushing: We Get 10 More Days to Reform Section 702 EFF at RightsCon Stop New York's Attack on 3D Printing How Push Notifications Can Betray Your Privacy (and What to Do About It) Google Broke Its Promise to Me. Now ICE Has My Data. EFF Calls on Kuwait to Release Journalist Ahmed Shihab-Eldin Digital Hopes, Real Power: The Rise of Network Shutdowns EFF to State AGs: Investigate Google's Broken Promise to Users Targeted by the Government The Dangers of California’s Legislation to Censor 3D Printing The Bay Agenda: Security for Journalists EFF 🤝 HOPE: Join Us This August! War as a Pretext: Gulf States Are Tightening the Screws on Speech—Again Speaking Freely: Dr. Jean Linis-Dinco We Need You: Our Privacy Cannot Afford a Clean Extension of Section 702 Yikes, Encryption’s Y2K Moment is Coming Years Early Comparison Shopping Is Not a (Computer) Crime EFF is Leaving X Banning New Foreign Routers Mistargets Products to Fix Real Problem Another Court Rules Copyright Can’t Stop People From Reading and Speaking the Law 👁 Selling Mass Surveillance | EFFector 38.7 Digital Hopes, Real Power: How the Arab Spring Fueled a Global Surveillance Boom Privacy Index Workshop EU Parliament Blocks Mass-Scanning of Our Chats—What's Next?
Hot Off the Press: EFF's Updated Guide to Tech at the US-Mexico Border
Dave Maass · 2026-04-14 · via Electronic Frontier Foundation

When people see Customs & Border Protection's giant, tethered surveillance blimp flying 20 miles outside of Marfa, Texas, lots of them confuse it with an art installation. Elsewhere along the U.S.-Mexico border, surveillance towers get mistaken for cell-phone towers. And that traffic barrel? It's actually a camera. That piece of rusted litter? That's a camera too.

Today we are publishing a major update to our zine, "Surveillance Technology at the U.S.-Mexico Border," the first since the second Trump administration began. To help people identify the machinery of homeland security, we've added more models of surveillance towers, newly deployed military tech, and a gallery of disguised trail cams and automated license plate readers.

You can get this 40-page, full-color guide through EFF's Shop or download a Creative-Commons licensed version here.

"The Battalion Search and Rescue always carries the Electronic Frontier Foundation’s zine in our desert rig," says James Holeman, who founded the humanitarian group that looks for human remains in remote parts of New Mexico and Arizona. "We’re finding new surveillance all the time, and without a resource like that, we wouldn't know what the hell we're looking at.”

The original version of the zine was distributed nearly exclusively to our allies in the borderlands—journalists, humanitarian aid workers, immigrant advocates—to help them better identify and report on the technology they discover on the ground. We only made a handful available in our online shop, and they went fast.

This time, we've printed enough for our broader EFF membership. Even if you don't live near the border, you can support our work uncovering how the U.S. Department of Homeland Security's technology threatens human rights by picking up a copy.

The zine is the culmination of a dozen trips to the border, where we hunted surveillance towers and other tech installations. We attended multiple border security conventions to collect promotional and technical materials directly from vendors. We filed public records requests, reviewed thousands of pages of docs, and analyzed satellite imagery of the entire 2,000-mile border several times over. Some of the images came from local allies, like geographer Dugan Meyer and Borderlands Relief Collective, who continue to share valuable intelligence on the changing landscape of border surveillance.

The update is available in English, with an updated Spanish version expected later this year. In the meantime, we have reprinted the original Spanish edition.

If you want to know more, a collection of EFF's broader work on border technology is available here. And if you're curious exactly where these technologies are located, you can check our ongoing map.

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