A phone signal grabber or IMSI-catcher is one of the most powerful devices for conducting surveillance and invading your privacy – legally or illegally. Which is why not just anyone is allowed ...

GSM IMSI catchers preyed on a cryptographic misstep in the GSM protocol. But we have LTE now, why worry? No one has an LTE IMSI catcher, right? Wrong. [Domi] is here with a software-defined base ...

Rayhunter is built to detect IMSI catchers, also known as Stingrays in the popular lexicon. These are devices that attempt to capture your phone’s IMSI (international mobile subscriber identity ...