Author: Cooper Quintin

A little over a year ago we released Rayhunter, our open source tool designed to detect cell-site simulators. We’ve been blown away by the level of community engagement on this project. It has been installed on thousands of devices (or so we estimate, we don’t actually know since Rayhunter doesn’t have any telemetry!). We have […]

This statement can be attributed to EFF Senior Staff Technologist Cooper Quintin It was recently reported by Jack Poulson on Substack that ICE has reactivated its 2 million dollar contract with Paragon Solutions, a cyber-mercenary and spyware manufacturer.  The reactivation of the contract between the Department of Homeland Security and Paragon Solutions, a known spyware […]

At EFF we spend a lot of time thinking about Street Level Surveillance technologies—the technologies used by police and other authorities to spy on you while you are going about your everyday life—such as automated license plate readers, facial recognition, surveillance camera networks, and cell-site simulators (CSS). Rayhunter is a new open source tool we’ve […]

In the wake of the 2024 election in the United States, many people are concerned about tightening up their digital privacy and security practices. As always, we recommend that people start making their security plan by understanding their risks. For most people in the U.S., the threats that they face and the methods by which […]