The US State Department said it is investigating an imposter who used artificial intelligence to impersonate Secretary of State Marco Rubio and contact three foreign ministers.The "unknown actor" is alleged to have used an artificially-generated voice of Rubio to contact officials via the Signal messaging app,

The State Department is warning U.S. diplomats of attempts to impersonate Secretary of State Marco Rubio and possibly other officials using AI-driven technology.

An imposter used an AI-generated voice to mimic Secretary of State Marco Rubio and contacted several foreign and US officials. The cable said at least three foreign ministers, a US governor, and a member of Congress were contacted,