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The life and times of Cozy Bear, the Russian hackers who just hit Microsoft and HPE

Hewlett Packard Enterprise (HPE) has revealed that Kremlin-backed hacking group Cozy Bear gained unauthorized access to their cloud-based email environment and exfiltrated data from May to December 2023. The hacking group, also known as Midnight Blizzard and APT29, entered the network via a compromised internal HPE Office 365 email account, through which they also gained access to Sharepoint servers. This is the second major corporate network breach by the group reported recently; a similar breach of Microsoft’s corporate network was disclosed five days prior.

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