Officials say it's the most sophisticated espionage cell uncovered and used IMSI-catcher devices to eavesdrop on Uyghur and ...

For example, someone could set up a device that creates spoofed access points for all the Auto Wi-Fi profiles hard-coded into iOS and then grab the IMSI numbers for all nearby iPhones, O’Hanlon ...

Several police forces in England have bought equipment to create fake mobile phone masts—known as IMSI catchers or stingrays—that can be used to eavesdrop on telephone conversations without ...

The IMSI catchers jam 3G and 4G signals to force ... civil liberties groups consider them to be much more invasive. They can, for example, be used to track a device inside a private residence.

A Department of Homeland Security program discovered evidence of the surveillance devices, called IMSI catchers, as part of federal testing last year, according to a letter from DHS to Sen.

That's being asked more and more in connection to something called IMSI catcher. And IMSI catcher is a device that police use to intercept cell phone signals, and as NPR's Martin Kaste reports ...

Known as IMSI catchers, for the unique identifying phone code called an IMSI, the surveillance devices trick mobile phones into thinking they have logged onto legitimate cell networks, such as ...

This can prevent people, for example, accessing normal telephone services, including making calls to the emergency services. IMSI-catchers can also be used to intercept devices connected to the ...

IMSI catchers, otherwise known as stingrays, are those surveillance tools that masquerade as cell towers and trick mobile phones into connecting, spewing private data in the process. Law ...

MANILA, PHILIPPINES — A Philippine joint operation resulted in the arrest of an alleged supplier of International Mobile Subscriber Identity (IMSI) catchers. IMSI catchers mimic official cell ...