Online radicalization, lone-actor violence, and Iran-linked networks are placing European security services under pressure from distinct but increasingly simultaneous threats.

Following the attack on a Berlin Pride festival, the focus in Germany is turning to Islamist terrorism. An expert warns: Looking only at Islamists overlooks the parallels with…

Online radicalization, lone-actor violence, and Iran-linked networks are placing European security services under pressure from distinct but increasingly simultaneous threats.