U.S. power companies breached by hackers, cybersecurity researcher says 0 06.09.2017 23:49 USATODAY (Tech Top Stories) In past attacks, hackers caused blackouts to Ukraine's power grid. Партнёры Smi24.net Все новости за 24 часа Музыкальные новости Агрегатор новостей 24СМИ