The Trump administration’s national security team, led by Mike Waltz, extensively used the encrypted messaging app Signal to discuss various global crises. While officials claim Signal was used for unclassified information, concerns have emerged regarding potential security breaches and federal recordkeeping violations. The issue has sparked political controversy, with congressional Democrats launching an investigation.

Extensive Use of Signal for National Security Communications
Recent reports reveal that National Security Adviser Mike Waltz and his team relied heavily on Signal for coordinating national security matters. These group chats covered topics such as Ukraine, China, Gaza, the Middle East, Africa, and Europe. Sources familiar with the chats claim that sensitive details were often discussed.
Concerns Over Potential Security Breaches
Veteran security officials have raised alarms that using Signal for such discussions could expose critical U.S. intelligence to foreign adversaries. Additionally, if messages were deleted automatically, this could violate federal recordkeeping laws. While the National Security Council (NSC) states that Signal is permitted for unclassified communication, the extent of its use remains a concern.
White House Defends the Practice
NSC spokesperson Brian Hughes clarified that Signal is not the primary or secondary method for communication but is among several approved options for unclassified discussions. He denied allegations that classified information was shared. Despite this, critics argue that the use of Signal for high-level government discussions creates security risks.
Previous Reports on NSC’s Use of Signal
Reports from The Wall Street Journal and The Atlantic previously uncovered NSC’s use of Signal beyond a Yemen-focused chat group. However, new findings indicate that the app was a fundamental part of NSC’s operations under Waltz, raising further questions about transparency and security.
Congressional Scrutiny and Political Backlash
The controversy intensified after Waltz mistakenly added a journalist to a Signal chat about military strikes in Yemen. This led to widespread political backlash and demands for Waltz’s resignation. In response, House Democrats have initiated an investigation into the potential security risks of these chats, particularly regarding the sharing of classified or sensitive information.
Additional Email Controversy
Another emerging issue involves Waltz and his team using personal Gmail accounts for government communications. While the NSC insists this was for compliance with records retention policies, it has fueled further concerns about transparency and security in the administration.
Implications for National Security Policy
The use of encrypted messaging apps by top officials highlights the evolving nature of government communication and security challenges. Whether or not classified information was shared, the controversy underscores the need for clear policies on secure communication channels in government operations.
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