What Is Signal, the App at the Center of 2 US Military Controversies?

Defense Secretary Pete Hegseth and Signal are back in the news. The New York Times reported Sunday that Hegseth created a Signal messaging chat that included his wife and brother. The details of the newly revealed Signal chat are supposedly similar to details shared in another Signal chat that included a journalist from the Atlantic in March. According to reporting at the time, top White House officials used the end-to-end encrypted messaging app to discuss military strikes in Yemen before those strikes were carried out on March 15. White House National Security Council spokesman Brian Hughes confirmed the messages' authenticity to ABC News, and this revelation drew criticism from others in the government at the time. "If true, these actions are a brazen violation of laws and regulations that exist to protect national security, including the safety of Americans serving in harm's way," the top Democrat on the House intelligence committee, Jim Himes, said in March, according to The Gua ... Read full article.