The team was due to leave on Friday as police tightened security at government offices, nuclear power plants, airports and railway stations.

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The organizations include the CERT Coordination Center, the Electricity Sector Information Sharing and Analysis Center, the European Cyber Crime Center, the Malaysia Computer Emergency Response Team, the Australian Federal Police and the Irish Reporting and Information Security Service.

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Pfizer has a global security team including former U.S. Federal Bureau of Investigation and Turkish narcotics agents, Hong Kong police and U.K. law-enforcement personnel to conduct undercover purchases and do other investigations.

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