may be operating an IMSI catcher (commonly known by the brand name Stingray) nearby. An IMSI catcher pretends to be a cell phone base station (tower) and records the unique identifiers of phones ...

open-source tool named Rayhunter that is designed to detect cell-site simulators (CSS), also known as IMSI catchers or Stingrays. Stingray devices mimic legitimate cell towers to trick phones into ...

The device, commonly known as a “stingray,” rogue cell tower ... Once connected, the IMSI catcher can collect the IMSI numbers of devices, enabling it to track their location and activity ...