Microsoft Corp. said a Chinese hacking group is exploiting security vulnerabilities in the company’s SharePoint servers to ...

Microsoft reveals how the cybercrime group, also known as Octo Tempest, is reversing its previous cloud-first strategy.

Microsoft sees ransomware, the natural next step for phishing, as a major growing threat. This is when the hacker hijacks your system, and won't let you back in unless you pay the ransom fee.

Microsoft 365 Defender now automatically disrupts ransomware attacks, giving business customers — but not consumers, yet — a bit more peace of mind in avoiding ransomware.

Two of the crews behind the zero-day attacks are government-backed: Linen Typhoon (aka Emissary Panda, APT27) and Violet ...