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The Guardian - US
The Guardian - US
World
José Olivares

Pentagon warned staffers against using Signal before White House chat leak

a thumb hovers over an app icon for Signal on a phone
Top national security officials inadvertently added a journalist to a Signal group chat discussing plans for military strikes in Yemen. Photograph: Thomas Trutschel/Photothek via Getty Images

The Pentagon recently warned its employees against using Signal, the encrypted messaging app, due to a technical vulnerability, an NPR report reveals.

The report comes one day after the Atlantic published a story detailing how top national security officials, including the US vice-president and US defense secretary, had accidentally added a journalist to a Signal group chat, which revealed plans for military strikes in Yemen.

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