Notpetya: the incredible story of an escaped US cyberweapon, Russian state hackers, and Ukraine's cyberwar

Andy Greenberg (previously) is Wired's senior security reporter; he did amazing work covering Russian cyberwarfare in Ukraine, which he has expanded into a forthcoming book: Sandworm: A New Era of Cyberwar and the Hunt for the Kremlin's Most Dangerous Hackers (I read it for a blurb and a review; it's excellent). Read the rest