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For most IT professionals, the move to the cloud has been a godsend. Instead of protecting your data yourself, let the security experts at Google or Microsoft protect it instead. But when a single stolen key can let hackers access cloud data from dozens of organizations, that trade-off starts to sound far more risky.
Late Tuesday evening, Microsoft revealed that a China-based hacker group, dubbed Storm-0558, had done exactly that. The group, which is focused on espionage against Western European governments, had accessed the cloud-based Outlook email systems of 25 organizations, including multiple government agencies.
Those targets encompass US government agencies including the State Department, according to CNN, though US officials are still working to determine the full scope and fallout of the breaches. An advisory from the US Cybersecurity and Infrastructure Security Agency says the breach, which was detected in mid-June

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