Special Report: An Overview of Russia’s Cyberattack Activity in Ukraine

A new report by Microsoft details the cyber activity the company has observed as part of the war in Ukraine, and the work the company has done in collaboration with Ukrainian cybersecurity officials and private sector enterprises to defend against cyberattacks. Microsoft’s ongoing, daily engagement establishes that the cyber component of Russia’s assault on Ukraine has been destructive and relentless. The purpose of this report is to provide insights into the scope, scale, and methods of Russia’s use of cyber capabilities as part of the largescale “hybrid” war in Ukraine, to acknowledge the work of organizations in Ukraine defending against persistent adversaries, and to provide strategic recommendations to organizations worldwide.