Add Yahoo as a preferred source to see more of our stories on Google. Signal, the most secure widely available messaging app, has become a go-to resource for journalists, leakers and other people ...

The high-level Trump administration Signal message thread on bombing Yemen on which someone on the staff of National Security Adviser Michael Waltz included The Atlantic‘s editor-in-chief Jeffrey ...

Signal is rolling out a much-awaited feature: secure backups. Now, users can safely store and restore their message history, something that was impossible before without manually backing up or ...

Get the latest federal technology news delivered to your inbox. A federal judge in Washington, D.C. ordered relevant agencies Thursday to preserve all communications between March 11 and March 15 in a ...

Atlantic editor-in-chief Jeffrey Goldberg said it was "not true" that he and National Security Adviser Mike Waltz had never spoken before, after the journalist detailed in a piece that he was added to ...

Update: Republished on March 31 with a new report into the dangers of secure messaging in the workplace and a twist on WhatsApp versus Signal. The secure messaging apps on your phone are dangerous.