Specifically, the email stated that “Russian professional hacking groups are employing the ‘linked devices’ features to spy on encrypted conversations,” and noted that Google identified Russian hacking groups “targeting Signal Messenger to spy on persons of interest.”
As head of the DOD, Hegseth would have undoubtedly received that email. Even if he missed it, or habitually lets his work emails pile up, he should have known that using Signal for government business is an explicit violation of DOD regulations. This raises the question as to whether Hegseth and other officials were using Signal to avoid leaving records of their communications.
“Unmanaged ‘messaging apps,’ including any app with a chat feature, regardless of the primary function, are not authorized to access, transmit, process non-public DoD information. This includes but is not limited to messaging, gaming, and social media apps. (i.e., iMessage, WhatsApps, Signal),” a 2023 department memo states.