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Further developments in the Incontroller/Pipedream industrial control system threat. Conti claims responsibility for the Nordex hack. The half-a-billion stolen from Ronin went to the Lazarus Group. And indictments in an influence ops case.\n\nFor links to all of today's stories check out our CyberWire daily news briefing:\nhttps://thecyberwire.com/newsletters/daily-briefing/11/73\n\nSelected reading.\nUkraine war: Russia threatens to step up attacks on Kyiv (BBC News)\xa0\nLive Updates: Russia Sets Stage for Battle to Control Ukraine\u2019s East (New York Times)\nRussian Troops Risk Repeating Blunders If They Try for May 9 Win (Bloomberg)\xa0\nWhy Putin may be aiming to declare victory over Ukraine on May 9 (Fortune)\xa0\nWhat Victory Day means for Russian identity (Washington Post)\xa0\nSpy games: expulsion of diplomats shines light on Russian espionage (the Guardian)\nFinland and Sweden pursue unlinked NATO membership (Defense News)\nWhat Finland Can Offer NATO (Foreign Policy)\nU.S. warns energy firms of a rapidly advancing hacking threat (E&E News)\xa0\nWind turbine firm Nordex hit by Conti ransomware attack (BleepingComputer)\xa0\nKarakurt revealed as data extortion arm of Conti cybercrime syndicate (BleepingComputer)\nThreat Spotlight: Conti Ransomware Group Behind the Karakurt Hacking Team (Infinitum)\nUS agency attributes $540 million Ronin hack to North Korean APT group (The Record by Recorded Future)\nNorth Korea Designation Update (U.S. Department of the Treasury)\xa0\nRussian legislator, staff accused of trying to influence US lawmakers: DOJ (Newsweek)\xa0\nRussian Legislator and Two Staff Members Charged with Conspiring to Have U.S. Citizen Act as an Illegal Agent of the Russian Government in the United States (US Department of Justice)\nLearn more about your ad choices. Visit megaphone.fm/adchoices