Henriette Borgund knows attackers can find weaknesses in the defences of a big renewables power company - she's found them herself. She joined Norway's Hydro (NHY.OL) as an "ethical hacker" last April, bringing years of experience in military cyberdefence to bear at a time of war in Europe and chaos in energy markets. They're nervously monitoring a hybrid war where physical energy infrastructure has already been targeted, from the Nord Stream gas pipelines to the Kakhovka dam. It said Russia had tried to destroy digital networks and cause power cuts, and that missile attacks on facilities were often accompanied by cyberattacks. "Companies in the energy space, their core business is producing energy, not cybersecurity," said Jalal Bouhdada, CEO of cybersecurity firm Applied Risk, a division of DNV.

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Persons: Nora Buli, Henriette Borgund, she's, shoring, Michael Ebner, cyberattacks, didn't, Swantje Westpfahl, James Forrest, Cem Gocgoren, Stephan Gerling, Mathias Boeswetter, Leonhard Birnbaum, Jalal Bouhdada, Nina Chestney, Christoph Steitz, America Hernandez, Paris Pavel Polityuk, Guy Faulconbridge, Pravin Organizations: REUTERS, Norway's Hydro, Reuters, Hydro's Oslo, Hydro, Ukraine, cyberattacks, Germany's Institute for Security, TRITON, Triton, Svenska, ICS CERT, University of Tulsa, E.ON, " Companies, Pravin Char, Thomson Locations: Norwegian, Fosen, Norway, Ukraine, OSLO, LONDON, FRANKFURT, Europe, Nord, Russia, Ukrainian, Moscow, United States, Russian, Capgemini, Saudi, Swedish, DNV, Oslo, London, Frankfurt, Paris, Kiev