How to make societies less vulnerable to the threat of disinformation. Threats characteristic of COVID-19 pandemic: manipulating social groups, disintegrating and polarising societies. Disinformation as a weapon used for the purposes of internal and external politics – goals, instruments, efficiency. Areas of disinformation in Poland: energy, historical policy, international policy, migration, minorities. Aggressive disinformation operations deepening political and socio-cultural rifts – their consequences. How to counteract? Cooperation, coordinated efforts, education on how to develop social resilience to disinformation.