Privacy Badger Creator Warns: Commercial Surveillance Fuels Government Spying
Breaking: EFF Reveals How Ad Trackers Enable Warrantless Government Surveillance
The Electronic Frontier Foundation (EFF) issued an urgent alert today, revealing that the same tracking technology used for targeted ads is being exploited by law enforcement to bypass constitutional protections.

"The data brokers selling your browsing habits to advertisers are also selling to the FBI, CBP, and ICE," said EFF Staff Technologist Alexis Hancock. "This commercial surveillance pipeline gives the government access to sensitive information they would normally need a warrant to obtain."
The Hidden Threat Beyond Creepy Ads
Millions use EFF's Privacy Badger browser extension to block trackers that twist web browsing into a commodity. But the nonprofit warns that the real crisis is larger than user profiling.
"Online tracking isn't just creepy and unethical—it enables mass government spying," said EFF Executive Director Cindy Cohn. Weak privacy laws allow data brokers to collect location data, search histories, and other personal details, then sell them to federal agencies without a warrant.
How the System Works
Every click, scroll, and search is harvested by trackers embedded across millions of websites. That data is aggregated by data brokers, who then sell access to government buyers. The result: law enforcement can circumvent Fourth Amendment protections through a backdoor of commercial surveillance.
EFF's investigations have documented that the FBI, Customs and Border Protection, and Immigration and Customs Enforcement are among the agencies purchasing this data.
Background: The Surveillance Economy
For years, EFF has fought commercial surveillance through tools like Privacy Badger and legal advocacy. The organization now emphasizes that the same infrastructure feeding targeted ads also feeds government surveillance, a problem far bigger than marketers tracking shopping habits.
In 2024, EFF launched a campaign to end mass surveillance, calling for stronger consumer privacy laws that would also limit government access to personal data.

What This Means: Your Privacy Is a Human Right
The EFF argues that commercial surveillance undermines the very concept of privacy as a human right. When tools people rely on for daily life are co-opted for corporate tracking, they also feed government surveillance systems used to control and intimidate.
"We owe it to ourselves to fight the mass spying used to control and intimidate people," Cohn said. The organization is pushing for legislation that would require law enforcement to obtain a warrant before purchasing private data.
How You Can Help
EFF is calling on supporters to join the fight. For a limited time, donors who become monthly or one-time contributors can receive exclusive merchandise, including a Privacy Badger Crewneck sweatshirt featuring the mascot above the Traditional Chinese character for "privacy," symbolizing the universal nature of human rights.
Donors also get a set of puffy Ghostie stickers in Arabic, English, Japanese, Persian, Russian, and Spanish. This year's member t-shirt, "Claw Back," shows an orange cat swatting at street-level surveillance equipment—a reminder that we can stop these practices before they multiply.
"Support our mission for technology in the public interest," urged Hancock. "Join the movement and become an EFF member today."
About EFF
The Electronic Frontier Foundation is a U.S. 501(c)(3) organization that has earned top ratings from Charity Navigator since 2013. Donations are tax-deductible as allowed by law.