Samenvatting

In the corona period, phenomena such as disinformation and conspiracy activism have taken on a greater and more disturbing significance. This article provides a first problem picture of current manifestations in the broader social context and offers tentative explanations. It looks in turn at who makes and distributes the fake news, what role conspiracy activism plays in this, what is known about social receptivity, and what the implications are for law enforcement and security. Finally, an action perspective is presented.