Do Son According to FoxNews reports, the US Department of Homeland Security (DHS) has publicly stated that they discovered the existence of electronic surveillance equipment in Washington, DC. These devices, known as International Mobile Subscriber Identity (IMSI) traps, are intended to monitor calls and information by masquerading as cell phone towers and intercepting cell phone signals.
The FBI’s Stingray project also has a similar monitoring technology and the police are using it. However, the U.S. government has never mentioned that foreign spies use the same technology. This situation continued until DHS wrote a letter to Sen. Ron Wyden, D-Ore. on March 26. The contents of the letter are now reported by the media.
It is understood that DHS official Christopher Krebs pointed out that they have found unusual actions in the U.S. capital that are consistent with the IMSI trap. DHS said that at present, they are still not clear who is using these devices.
As chair of the National Protection and Programs Directorate (NPPD), Krebs also pointed out that they also found the same abnormality outside the capital but did not provide specific locations and numbers.
The letter wrote: “NPPD believes that the use of IMSI traps by foreign governments will likely threaten US national and economic security.”
It was learned that this letter from DHS was a response to Wyden’s request for the agency to provide the presence of the IMSI trap in Washington DC last November.
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