In mid-May 2023, TA453 - also known publicly as Charming Kitten, APT42, Mint Sandstorm, Yellow Garuda - sent a benign conversation lure masquerading as a senior fellow with the Royal United Services Institute (RUSI) to the public media contact for a nuclear security expert at a US-based think tank focused on foreign affairs. The email solicited feedback on a project called “Iran in the Global Security Context” and requested permission to send a draft for review. The initial email also mentione