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Medicare is turning to technology to make sure it doesn't pay fraudulent claims.\xa0 The upgrade is a screening technology much like what's used by credit card companies to stop fraud.\xa0 Also, the Japanese are beefing up their security just like the United States.\xa0 The country made it illegal to create or distribute computer viruses but some critics say the new law could infringe on privacy.\xa0\xa0 And software widely used in China to help run weapons systems, utilities and chemical plants has bugs that hackers could exploit to damage public infrastructure.\xa0 Sunway has developed software patches to plug the holes but it could take months for customers to install it.\xa0 And as always we will have the job of the day.