Summary:
- RayHunter is an open-source tool developed by the Electronic Frontier Foundation (EFF) to detect cellular spying.
- The tool can identify when a mobile device is being targeted by a cell-site simulator, also known as a "stingray," which is a device used by law enforcement and other agencies to track and intercept mobile communications.
- RayHunter helps users understand if their device is being targeted and provides guidance on how to protect their privacy and security.