Chinese APT Groups Actively Targeting Outlook and Exchange Online Email Accounts

A china based APT actor accessed Microsoft 365 cloud environment and exfiltrated unclassified Exchange Online Outlook data from a small number of accounts. In June 2023, a Federal Civilian Executive Branch (FCEB) agency observed suspicious activity in their Microsoft 365 (M365) cloud environment and reported the activity to Microsoft and CISA. CISA and the Federal Bureau […]

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