During his Senate confirmation hearing for the UN ambassador position, Mike Waltz was questioned about a sensitive Signal chat leak involving military plans, which led to widespread controversy. Waltz, previously a national security adviser, defended his actions but acknowledged investigations related to the incident are ongoing.
Scrutiny Grows for Mike Waltz During UN Ambassador Confirmation Hearing

Scrutiny Grows for Mike Waltz During UN Ambassador Confirmation Hearing
Mike Waltz faces tough questions from senators regarding a Signal chat leak that raised cybersecurity concerns.
Mike Waltz, the former national security adviser nominated by Donald Trump for the position of ambassador to the United Nations, found himself in a heated exchange with US senators about a recent incident known as "Signalgate." This controversy emerged when a sensitive Signal group chat became compromised, accidentally including a journalist, prompting scrutiny over cybersecurity practices.
At the Senate Foreign Relations Committee hearing on Tuesday, Waltz, who was removed from his post in May, faced rigorous questioning from Democratic senators concerned about the implications of discussing sensitive military operations on a commercially available messaging application. Waltz defended his actions, insisting that no classified information was disclosed during the chats, which were convened to discuss a potential strike on Houthi rebel forces in Yemen.
The chat, which included prominent members such as Secretary of Defence Pete Hegseth and Secretary of State Marco Rubio, deteriorated into a topic of controversy. Waltz previously voiced "full responsibility" for the incident during a Fox News appearance, labeling it an "embarrassment."
Senator Chris Coons, a Democrat from Delaware, highlighted the risks associated with utilizing Signal for discussing sensitive military information, questioning Waltz if he felt any remorse. In response, Waltz stated that the use of Signal was authorized and suggested that the Biden administration’s Cyber Security Infrastructure Security Agency had endorsed its use.
Senator Coons and fellow Democrat Tim Kaine raised additional concerns about ongoing Pentagon investigations related to the Signal leak and the expansion of the chat group to include media representatives. Waltz maintained that he was unable to comment on ongoing investigations but reiterated his stance that classified information was not shared.
While Democrats persistently pressured Waltz regarding the Signal incident, Republicans on the committee tended to focus their queries on U.S. funding for the UN and Waltz's strategies for engaging with China. Despite the controversies, Waltz's confirmation seems likely due to the Republican majority in the Senate.
Waltz's impending role as the U.S. ambassador to the UN arrives at a critical time where America's global engagement and commitments to allies are under scrutiny, particularly after significant cuts to foreign aid during the Trump administration and subsequent staffing changes in relevant agencies. Waltz emphasized his commitment to ensuring that taxpayer dollars are utilized efficiently in international spending, specifically criticizing certain funding directed towards climate initiatives.