Rayhunter: Device to Detect Cellular Surveillance

2025-03-07 17:03

The EFF has created an open-source hardware tool to detect IMSI catchers: fake cell phone towers that are used for mass surveillance of an area. It runs on a $20 mobile hotspot.

News URL

https://www.schneier.com/blog/archives/2025/03/rayhunter-device-to-detect-cellular-surveillance.html

#surveillance

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