The article examines the phenomenon of proxy agent networks as an instrument of contemporary intelligence activity, focusing on operational modalities and the associated threats to the security of Poland and NATO member states. The aim is to provide an in depth analysis of proxy agent networks, with a particular focus on the practices employed by the Russian Federation. The text identifies the consequences of using proxy agents in the context of hybrid and information warfare. It explains why this form of agent network constitutes an effective tool for achieving intelligence objectives, enabling the aggressor to conduct destabilising operations. It also sets out recommendations for state services on how to build societal resilience to this category of intelligence threat.