Chinese hackers exploited a flaw in Microsoft’s cloud email service to gain access to the email accounts of U.S. government employees, the technology giant has confirmed. From a report: The hacking group, tracked as Storm-0558, compromised approximately 25 email accounts, including government agencies, as well as related consumer accounts linked to individuals associated with these organizations, according to Microsoft. […]
Microsoft’s investigation determined that Storm-0558, a China-based hacking group that the firm describes as a “well-resourced” adversary, gained access to email accounts using Outlook Web Access in Exchange Online (OWA) and Outlook.com by forging authentication tokens to access user accounts.
