Source: Outlook, MSN, and Hotmail were affected in breach; Microsoft now says email content was also exposed for ~6% of users whose email accounts were hacked (Joseph Cox/Motherboard)

Joseph Cox / Motherboard:
Source: Outlook, MSN, and Hotmail were affected in breach; Microsoft now says email content was also exposed for ~6% of users whose email accounts were hacked  —  Hackers abused a Microsoft customer support portal that allowed them to read the emails of any non-corporate account.