MICROSOFT: CHINA-BASED HACKERS FOUND BUG TO TARGET US FIRMS

China-based government hackers have exploited a bug in Microsoft’s email server software to target U.S. organizations, the company said this week.

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Microsoft said that a “highly skilled and sophisticated” state-sponsored group operating from China has been trying to steal information from a number of American targets, including universities, defense contractors, law firms and infectious-disease researchers.

Microsoft said it has released security upgrades to fix the vulnerabilities to its Exchange Server software, which is used for work email and calendar services, mostly for larger organizations that have their own in-person email servers. It doesn’t affect personal email accounts or Microsoft’s cloud-based services.