In major gaffe, hacked Microsoft test account was assigned admin privileges

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The hackers who recently broke into Microsoft’s network and monitored top executives’ email for two months did so by gaining access to an aging test account with administrative privileges, a major gaffe on the company’s part, a researcher said.

The new detail was provided in vaguely worded language included in a post Microsoft published on Thursday. It expanded on a disclosure Microsoft published late last Friday. Russia-state hackers, Microsoft said, used a technique known as password spraying to exploit a weak credential for logging into a “legacy non-production test tenant account” that wasn’t protected by multifactor authentication. From there, they

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