British PM Andy Burnham tricked by impersonator posing as Trump aide Susie Wiles

The impersonation

British Prime Minister Andy Burnham exchanged messages with an individual posing as Susie Wiles, White House Chief of Staff and one of Donald Trump's closest aides, before suspecting the communication was not genuine. The revelation was reported by Politico on 17 August, which cited four officials speaking on condition of anonymity. The exact content of the messages and the precise timing of when they were sent remain unknown, as the communication was kept under strict confidentiality until the Politico report.

A source briefed on the communications told Politico that "a few messages" were exchanged after Burnham entered No 10 Downing Street, but insisted they were of "no significance." Burnham became Prime Minister on 20 July, having secured his political succession from Keir Starmer after winning the Makerfield by-election on 18 June. The impersonator had introduced themselves to Burnham as Wiles, and the prime minister believed he was communicating with the top aide to the American president before growing suspicious that the contact was not authentic.

Diplomatic fallout

The British embassy in Washington raised the issue directly with the White House, according to two of the four officials who spoke to Politico. The concern within the UK government was serious enough to warrant treating the matter as a national security issue. Downing Street declined to engage on the substance of the reports, offering only a brief statement.

We do not comment on national security matters.

The White House also declined to comment on the new revelations. All officials who spoke to Politico requested anonymity because they were discussing a national security matter. The British government's decision to involve the White House directly through its Washington embassy reflects the sensitivity of the incident, which occurred during the early weeks of Burnham's premiership.

Fears of renewed phone compromise

Within the British government, there were fears that Susie Wiles's mobile phone or contacts may have been compromised again. This is not the first time Wiles's name has been linked to an impersonation scheme. Last year, the White House and the FBI launched an investigation after US senators, state governors, and senior American business executives received phone calls and messages from someone claiming to be Wiles.

The Wall Street Journal reported at the time that Wiles had informed associates that the contacts stored on her mobile phone had been compromised. The latest incident involving Burnham has revived concerns about the vulnerability of communications involving senior political figures on both sides of the Atlantic.

Burnham's rapid rise and unanswered questions

Burnham assumed the premiership on 20 July, but his path to succeed Starmer had been set in motion weeks earlier. He won the Makerfield by-election on 18 June, which effectively secured his political succession. The impersonation incident occurred during the early weeks of his tenure, a period when a new prime minister would typically be establishing contact with key figures in allied governments.

The identity of the person behind the communication with Burnham remains unknown. Neither the content of the messages nor the exact timeframe of the exchange has been disclosed. The incident adds to concerns about the security of communications channels used by newly elected leaders during transitions of power.