By Issie Lapowsky July 14, 2023 In early 2022, shortly after Russia’s invasion of Ukraine began, Valentine Hrytsenko was driving his family to Lviv—a city in the westernmost part of the country that became a refuge for Ukrainians in the early days of the war—when he got a call from a software developer named … Continue reading How a security startup’s air-raid alert app is saving lives in Ukraine →