During his first trip abroad as US president last week, Joe Biden kept telling Europe that “the US is back”. Before the G7 meeting, Biden signed a new Atlantic charter with Boris Johnson that agreed to protect democracy and open societies. After Cornwall, he went on to more meetings in Brussels with the European Union, ...

Democracy is an information system. That’s the starting place of our new paper: “Common-Knowledge Attacks on Democracy.” In it, we look at democracy through the lens of information security, trying to understand the current waves of Internet disinformation attacks. Specifically, we wanted to explain why the same disinformation campaigns that act as a stabilizing influence ...