Norms Impact
Pentagon warned staffers against using Signal before White House chat leak
Senior officials used an off-system chat to discuss military strikes even as the Pentagon warned Signal could be exploited, hollowing out basic command-and-control security norms.
Mar 25, 2025
Sources
Summary
The Pentagon circulated an operational security bulletin warning employees against using Signal because Russian hacking groups could exploit a technical vulnerability to access messages. The warning lands as senior Trump administration national security officials are reported to have used Signal for strike planning and accidentally included a journalist in the chat. The practical consequence is a widened pathway for foreign intelligence exposure and a normalization of off-system decision-making around military force.
Reality Check
Normalizing off-the-books messaging for strike planning corrodes civilian control and operational security, and it invites foreign interception while stripping our system of accountability trails that protect citizens from abuse. On these facts, the clearest legal exposure is not “hacking” but records and information-handling: Federal Records Act compliance failures and potential mishandling of national defense information under 18 U.S.C. § 793 if any content constituted closely held military plans. Even if officials insist nothing was “classified,” routing “non-public” strike details through a third-party app after an explicit Pentagon warning is a governance breach that teaches future administrations to treat war planning like casual chat. If that precedent stands, our rights erode quietly—because secrecy without lawful process is how power stops answering to the public.
Detail
<p>On 18 March, the Pentagon sent a department-wide “OPSEC special bulletin” warning employees against using Signal, citing a technical vulnerability that could be exploited by Russian hacking groups to spy on encrypted communications and potentially target “persons of interest,” according to NPR.</p><p>The warning was reported a day after the Atlantic described how senior Trump administration national security officials—including Vice-President JD Vance and Defense Secretary Pete Hegseth—used a Signal group chat for discussion of planned military strikes in Yemen and inadvertently added the Atlantic editor-in-chief, Jeffrey Goldberg.</p><p>The Pentagon memo stated that third-party messaging apps like Signal may be used for unclassified information but may not be used to transmit “non-public” unclassified information.</p><p>Goldberg reported receiving details about a forthcoming series of airstrikes on 15 March, hours before the strikes occurred. Trump administration officials publicly downplayed the sensitivity of the exposed information, and Trump characterized the incident as a “glitch.”</p>