An impersonator recently used AI to pose as Marco Rubio, the US Secretary of State, to send messages to five senior-level officials. Three of these have been identified as foreign ministers, while the remaining two were US officials,

June, the person contacted the ministers, a U.S. governor and a member of Congress via the Signal messaging app, it said. Voicemails were left in two instances and a text m

The recipients of the scam messages, which were sent by text, Signal and voicemail, were not identified in a cable sent to embassies and consulates.