Microsoft Tells Yet More Customers Their Emails Have Been Stolen

Microsoft revealed that the Russian hackers who breached its systems earlier this year stole more emails than initially reported. "We are continuing notifications to customers who corresponded with Microsoft corporate email accounts that were exfiltrated by the Midnight Blizzard threat actor, and we are providing the customers the email correspondence that was accessed by this actor," a Microsoft spokesperson told Bloomberg (paywalled). "This is increased detail for customers who have already been notified and also includes new notifications." The Register reports: We've been aware for some time that the digital Russian break-in at the Windows maker saw Kremlin spies make off with source code, executive emails, and sensitive U.S. government data. Reports last week revealed that the issue was even larger than initially believed and additional customers' data has been stolen. Along with Russia, Microsoft was also compromised by state actors from China not long ago, and that issue similarly led to the theft of emails and other data belonging to senior U.S. government officials. Both incidents have led experts to call Microsoft a threat to U.S. national security, and president Brad Smith to issue a less-than-reassuring mea culpa to Congress. All the while, the U.S. government has actually invested more in its Microsoft kit. Bloomberg reported that emails being sent to affected Microsoft customers include a link to a secure environment where customers can visit a site to review messages Microsoft identified as having been compromised. But even that might not have been the most security-conscious way to notify folks: Several thought they were being phished.

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