You're reading: Fortune: Meet the millennials who started Ukraine’s Twitter war with Russia

When a massive cyberattack hit Ukraine’s airport, government agencies, and national bank in early June, the country’s official Twitter account, @Ukraine, responded with a GIF. “Some of our gov agencies, private firms were hit by a virus. No need to panic, we’re putting our utmost efforts to tackle the issue,” read the tweet, which was accompanied by an illustrated GIF of a dog sitting in a room ablaze, drinking coffee, saying “This is fine.”

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