During the conference [Kyiv global Cyber Resilience Forum 2025](https://cip.gov.ua/en/news/ukrayina-v-avangardi-kiberzakhistu-oleksandr-potii-vistupiv-na-kyiv-international-cyber-resilience-forum-2025) Deputy Secretary of the National safety and defence Council of Ukraine [Serhiy Demediuk](https://www.rnbo.gov.ua/en/DEMEDYuK-Serhii-Vasylovych.html) reported that **[Signal](https://signal.org/pl/) is utilized by Russian services** not only to send messages, but besides to conduct operations.