CrowdStrike co-founder and CTO Dmitri Alperovitch speaks during the Reuters Media and Technology Summit in New York, June 11, 2012. Malware used to hack Democratic National Committee servers during the 2016 elections was also used to hack an artillery-targeting app in Ukraine, and might have caused Ukrainian military losses to pro-Russian forces, according to a report released this week by CrowdStrike, a cybersecurity company.