Editor's Note: The JBS meatpacking plant in Hyrum was among facilities affected by the global closure referenced in this article. Parts of the Hyrum plant were shut down Tuesday, and it was full operational Wednesday. CANBERRA, Australia (AP) â The world's largest meat processing company is getting back online after production around the world was disrupted by a cyberattack just weeks after a similar incident shut down a U.S. oil pipeline. Brazil's JBS SA said late Tuesday that it had made "significant progress" in dealing with the cyberattack and expected the "vast majority" of its plants to be operating on Wednesday.