When attack plans go mobile

The recent controversy known as “Signal-Gate” has exposed a glaring truth: even the highest-ranking national security officials sometimes behave like everyday people scrambling through a group chat. In this case, top Trump administration figures unwittingly invited The Atlantic’s editor-in-chief, Jeffrey Goldberg, to a Signal thread discussing a live military operation in Yemen. Details ranged from takeoff times for F-18 strikes to surveillance data on key Houthi targets. By any traditional measure, this is precisely the type of information meant for restricted channels—and absolutely off-limits to random add-ins.

Administration leaders insisted that the conversation—despite its clear operational value—was never formally classified. If the Secretary of Defense says it’s “unclassified,” so be it. But for those of us who’ve worked in military or intelligence operations, that’s a semantic sidestep, not a legitimate defense. Revealing real-time strike data isn’t just a security ...