The defense department has rated signal an unmanaged messaging app, which means it is not authorized to access or transmit nonpublic defense information, according to the washington post. Goldberg said he got an unsolicited invitation on the signal messaging platform on 11 march by an account named michael waltz, and was then added to the group chat about yemen two days later. This is why democrats and security experts are alarmed. On wednesday, the atlantic published a fuller look at the contents of the messages in this group chat, including sensitive details about u.s Strikes that experts say almost certainly were. Us president donald trump and his intelligence chiefs have played down a security breach that saw a journalist invited into a signal group chat where he reported seeing national security.
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