Enlarge / The cityscape from the tower of the Lviv Town Hall in winter. (credit: Anastasiia Smolienko / Ukrinform/Future Publishing via Getty Images ) As Russia has tested every form of attack on Ukraine's civilians over the past decade, both digital and physical, it's often used winter as one of its …

Enlarge (credit: Getty Images) For years, Dmitriy Sergeyevich Badin sat atop the FBI’s most-wanted list. The Russian government-backed hacker has been suspected of cyberattacks on Germany’s Bundestag and the 2016 Olympics, held in Rio de Janeiro. A few weeks into Russia’s invasion of Ukraine, his own …