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Some corporate and customer system connections have been temporarily disabled in the wake of the attack, said Energy One, whose customers includes the UK’s InterGen, Dutch energy provider Essent, and Yorkshire gas and power firm YGP.
Energy One said it had notified both the Australian Cyber Security Centre and UK authorities of the cyberattack, but would provide no further details regarding the specifics involved in the cyberattack.
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“Energy One will continue to provide updated information as it gains greater clarity about the incident and the likely timeframe for its resolution,” an Energy One spokesperson said.