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b'In the past few weeks, some of the biggest industries in the U.S. have been held up by cyberattacks.\\n\\nThe first big infiltration was at Colonial Pipeline, a major conduit of gas, jet fuel and diesel to the East Coast. Then, J.B.S., one of the world\\u2019s largest beef suppliers, was hit.\\n\\nThe so-called ransomware attacks have long been a worry. But who are the hackers and how can they be stopped?\\n\\nGuest: Nicole Perlroth, a reporter covering cybersecurity and digital espionage for The New York Times.'