A proposed method for triangulation of rogue IMSI catchers (a.k.a. “Stingray” devices)
▻https://hackernoon.com/a-proposed-method-for-triangulation-of-rogue-imsi-catchers-a-k-a-stingra
Stingrays are on the loose in Washington D.C.It has been widely reported this week (AP, NPR, Washington Post, BBC) that Washington D.C. and other undisclosed cities are exhibiting anomalies that appear to be due to unauthorized and unknown IMSI catchers (such as the notorious “stingray” devices). These #spying devices are often used by law enforcement to track individuals, intercept texts, and listen to calls. (The ACLU keeps an updated list of federal agencies known to employ IMSI catchers for domestic #surveillance.)The suspected existence of rogue IMSI catchers with unknown operators in American cities was disclosed in a letter (and its attachment) from the Department of Homeland Security to Oregon Senator Ron Wyden, dated 26-March 2018.The letter acknowledges that the “use of IMSI (...)