"The American people have a legitimate interest in understanding the extent to which US telephone networks are vulnerable to surveillance and are being actively exploited by hostile actors," Sens. Ron Wyden, D-Oregon, Cory Gardner, R-Colorado, Ed Markey, D-Massachusetts, and Rand Paul, R-Kentucky, wrote in a letter Wednesday to Christopher Krebs, the top infrastructure and cybersecurity official at the Department of Homeland Security..."These things have the capability of tracking. So, if you want to pick a person and say, let's see where they go and who they talk to during the day, that might give you just enough intelligence to make some decisions without even doing the eavesdropping," Kevin D. Murray, a counter espionage expert, told CNN in an interview. more
