From the Washington Post: An impostor pretending to be Secretary of State Marco Rubio contacted foreign ministers, a U.S. governor and a member of Congress by sending them voice and text messages that mimic Rubio’s voice and writing style using artificial intelligence-powered software, according to a senior U.S. official and a State Department cable obtained by The Washington Post.
U.S. authorities do not know who is behind the string of impersonation attempts but they believe the culprit was probably attempting to manipulate powerful government officials “with the goal of gaining access to information or accounts,” according to a cable sent by Rubio’s office to State Department employees.
Using both text messaging and the encrypted messaging app Signal, which the Trump administration uses extensively, the impostor “contacted at least five non-Department individuals, including three foreign ministers, a U.S. governor, and a U.S. member of Congress,” said the cable, dated July 3.
The impersonation campaign began in mid-June when the impostor created a Signal account using the display name “[email protected]” to contact unsuspecting foreign and domestic diplomats and politicians, said the cable. The display name is not his real email address.
The State Department is investigating the matter.
This is not the first attack against the Trump administration. The Washington Post points out that in May, White House Chief of Staff Susie Wiles’ phone was breached, and calls were made to multiple senators, governors and business executives, pretending to be Wiles.
Breaking news: An imposter using AI to pose as Secretary of State Marco Rubio contacted three foreign ministers, a U.S. governor and a member of Congress, according to a State Department cable. https://t.co/1IBGJY6q9j
— The Washington Post (@washingtonpost) July 8, 2025
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