Reading the comments is killing my brain cells. Guys, it’s not a conspiracy or hoax, their offices literally confirmed it was all real. It’s also highly unlikely it was purposeful. Why would Vance want to publicize that despite what he says publicly he has lots of disagreements with Trump’s policies?
There’s also nothing wrong with using Signal, it’s a great super secure messaging app. Do you want the US to spend money to develop a worse version of Signal?