NATO publishes a book about Russian Cyber defense in the Ukraine

Cyber War in Perspective: Russian Aggression against Ukraine

The conflict in Ukraine appears to have all the ingredients for cyber war. Moscow and Kyiv are playing for the highest geopolitical stakes, and both countries possess a high level of expertise in information technology and computer hacking. However, there are still many sceptics of cyber war, and more questions than answers. Malicious code has served criminals and spies very well, but can cyber attacks offer soldiers more than a tactical edge on the battlefield? Can they have a strategic effect? And what norms should be established in international relations to govern nation-state hacking in peacetime and in war?

Link here:
https://ccdcoe.org/multimedia/cyber-war-perspective-russian-aggression-against-ukraine.html