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A University of Texas at Dallas professor is urging U.S. companies to prepare now -- if they haven't already -- for possible cyberattacks amid the ongoing war in Ukraine. Computer Science professor Murat Kantarcioglu says the attacks are a cheap way to access information and cause public panic. He doesn't believe average Americans will be targeted, but he advised everyone to regularly check their bank accounts. Kantarcioglu noted that large companies and the federal government are working with experts to fend off attacks. He suggested state and local governments take immediate action to help protect themselves