Overview

• National Security Advisor Mike Waltz and deputy Alex Wong have departed their roles after a Signal chat breach exposed sensitive US military plans.
• Waltz mistakenly added journalist Jeffrey Goldberg to a chat discussing Yemen strike details, leading to publicized screenshots with classified information.
• President Trump has named Secretary of State Marco Rubio as interim National Security Advisor while nominating Waltz for the UN Ambassador role, pending Senate confirmation.
• The breach has reignited bipartisan scrutiny over cybersecurity practices within the Trump administration, with calls for broader accountability.
• This marks the first major personnel shakeup in Trump’s second term, reflecting both political recalibration and fallout from operational security lapses.