Officials with the Department of Homeland Security detected potential surveillance activity near “sensitive facilities” in Washington, including the White House, according to a study conducted last year.
Officials disclosed the activity, associated with devices commonly known as “Stingrays,” in a letter to Sen. Ron Wyden (D-Ore.), which was first reported by The Washington Post this week.
The revelation boosts long-held suspicions that foreign actors are using the technology to conduct spying in the nation’s capital.
Read more at TheHill.
