A Pentagon-wide email recently went out warning about Signal's vulnerability

A Pentagon-wide advisory that went out one week ago warns against using the Signal, the messaging app, even for unclassified information.

Mar 25, 2025 - 18:34
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A Pentagon-wide email recently went out warning about Signal's vulnerability
A screengrab of a page from a Pentagon-wide memo warning against using the messaging app Signal.

A Pentagon-wide advisory that went out one week ago warns against using the Signal, the messaging app, even for unclassified information.