Someone is impersonating Secretary of State Marco Rubio through text messages and the messaging app Signal, using AI to imitate his voice and writing style. The imposter messaged foreign ministers, a U.

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.

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,