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This year’s winter will be the hardest for Ukrainians since the beginning of the Great War. Such headlines abound in international media, and statements of similar content continue to pour from the lips of energy experts and officials. According to experts, Russian strikes on CHP plants and infrastructure could lead to local and regional power and heat outages. However, the probability of a mass complete «national blackout» is still considered low, it is worth preparing for dozens of hours without light and heat now. The head of Ukrenergo Vitaliy Zaychenko believes that Ukrainians need to prepare for the fact that the situation can change very dynamically. «In these conditions, it is quite difficult to guarantee that there will always be light. We need to prepare for the fact that the situation can change very dynamically,» the head of Ukrenergo emphasized. According to him, «the enemy is particularly furious and systematically attacking all energy and heat-generating facilities simultaneously. Massive attacks with drones, missiles. It is doing everything to destroy and destroy critical infrastructure.» dev.ua has collected 10 questions and answers about what is happening in the energy system and how to get through the current winter as comfortably as possible.

Quantum computing is becoming a reality and will soon be able to solve problems that far exceed the capabilities of today’s fastest supercomputers. However, in the hands of cybercriminals, quantum computers will also create a new level of challenges for cybersecurity professionals. To protect data, governments and businesses need to start the transition to post-quantum cryptography in advance, without waiting for the emergence of affordable powerful quantum computers. The European Union has already started to act in this direction — in early 2026, the EU-supported Quantum-Resistant Cryptography in Practice project will start with the participation of 11 countries.