Location data generated from our cell phones paint an incredibly detailed picture of our movements and private lives. Despite the sensitive nature of this data and a federal law prohibiting cellphone carriers from disclosing it, repeated unauthorized disclosures over the last several years show that carriers will sell this...

Cookies are dying, and the tracking industry is scrambling to replace them. Google has proposed Federated Learning of Cohorts (FLoC), TURTLEDOVE, and other bird-themed tech that would have browsers do some of the behavioral profiling that third-party trackers do today. But a coalition of independent surveillance advertisers has...

Last week, EFF, along with the ACLU and the ACLU of Iowa, filed an amicus brief in the Iowa Supreme Court challenging the surreptitious collection of DNA without a warrant. We argued this practice violates the Fourth Amendment and Article I, Section 8 of the Iowa...