A number of top Trump administration officials—including four who were on a now-infamous Signal group chat—appear to have Venmo accounts that have been leaking data, including contacts and in some cases transactions, to the public. Experts say this is a potentially serious counterintelligence problem that could allow foreign intelligence services to gain insight into a target’s social network or even identify individuals who could be paid or coerced to act against them.The officials in question include Dan Katz, chief of staff at the US Treasury; Joe Kent, President Trump’s nominee…
