National Security Advisor Mike Waltz has blamed his iPhone for accidentally inviting a journalist into a secret discussion of a strategic military strike.The Signal app promises secure and encrypted chats between users.Jeffrey Goldberg, editor of The Atlantic magazine, accepted a March 13 invitation from Waltz that was intended for National Security Council spokesperson Brian Hughes. Goldberg then reported on the chat, revealing that the administration used the Signal app for what should be considered classified information.A report published in the UK by The Guardian explained exactly how the error in inviting Goldberg occurred. The journalist was accidentally included because Waltz accepted an iPhone-suggested updated contact number in Hughes' original missive, thinking it was an updated number for Hughes — when in fact it was the number for Goldberg. Continue Reading on AppleInsider | Discuss on our Forums