The U.S. Department of Homeland Security's Cyber Safety Review Board (CSRB) has released a scathing report on how Microsoft handled its 2023 Exchange Online attack, warning that the company needs to ...
Microsoft said in June that a China-backed hacking group had stolen a cryptographic key from the company's systems. This key allowed the attackers to access cloud-based Outlook email systems for 25 ...
Microsoft warned users on Tuesday that FIDO2 security keys may prompt them to enter a PIN when signing in after installing Windows updates released since the September 2025 preview update. This ...