CYBER OPERATIONS IN HYBRID CONFLICTS - LESSONS FROM THE

This review article presents selected use cases where information technology was used duringRussia's war with Ukraine in 2022. The analysis of these events allows to draw conclusions aboutthe effectiveness of the various activities taking place in cyberspace, which may also be relevantin future conflicts. The conclusions relate to the provision of uninterrupted communications,cyber attacks destroying physical infrastructure elements, the use of mobile phones, theeffectiveness of OSINT activities, and the effectiveness of disinformation and propagandaactivities.