Using Big Data and Deep Learning analysis, Petrenko explores a framework for an early-warning cybersecurity system for critically important governmental information assets Synthesizes scenarios of an early-warning cybersecurity system in cyberspace on extra-large volumes of structured and unstructured data from a variety of sources, including internet, intranet, IoT, and IIoT (Big Data and Big Data Analytics) Offers practical experience in the development of a complex system of cybersecurity based on Big Data and Business Intelligence technologies, as well as semantic and cognitive analysis able to proactively identify the invader's hidden meanings and goals Based on the results of the authors' research in the area of the Big Data acquisition, cognitive information technologies (Cogno-technologies), as well as models and methods of "computational cognitivism", it shows how the Russian Federation is implementing a framework to provide digital sovereignty and defensibility