Pentagon Issues Warning on Signal Use After Accidental Leak Involving Reporter
Pentagon officials issued a formal warning on March 18 regarding the use of the secure messaging app Signal , just days after a serious security incident involving The Atlantic Editor-in-Chief Jeffrey Goldberg . Goldberg was accidentally added to a Signal group chat in which high-ranking Trump administration officials were allegedly discussing sensitive military plans , including proposed airstrikes in Yemen . What is Signal, and Why Does It Matter? Signal is a popular end-to-end encrypted messaging platform used for private one-on-one or group conversations, as well as secure phone and video calls. Encryption is enabled by default, ensuring that only the sender and intended recipient can access the message contents. Signal’s encryption protocol is open-source and is also used by Meta’s WhatsApp. However, unlike Telegram , where encryption is not available for group chats, Signal does offer secure group messaging —but access settings must be carefully controlled by the group...