This is the latest zero-day released by security researcher Nightmare Eclipse, despite Microsoft publicly threatening to take ...

You may already be encrypted without ever choosing it.

An emergency, out-of-band Windows 11 update for Dell users has been confirmed by Microsoft to fix issues caused by the July Patch Tuesday security rollout.

Microsoft's monthly release of security fixes, dubbed Patch Tuesday, resolved a record 570 security vulnerabilities across the company's product line, thanks to discoveries with AI.

Microsoft has released Windows 10 KB5120249 Extended Security Updates for versions 22H2 and 21H2 to fix security vulnerabilities and bugs.

Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, and devices.

Microsoft on Monday unveiled Project Perception, an AI cybersecurity system built to defend against AI-driven attacks, aiming to keep pace with both hackers and its technology rivals.

The PoC posted by Nightmare Eclipse, who has been feuding with Microsoft for months, enables an attacker with any level of access to gain system-level privileges.

Microsoft shifts most security scanning to an in‑house AI model, cutting costs and routing only the hardest work to frontier ...

Hayete Gallot, who rejoined Microsoft in February to lead its security business, is pushing the company toward "agentic security" — systems that spot threats and act on them without waiting for a ...

Windows 11 is the latest and greatest operating system from Microsoft, but it has its flaws, so much so that even four years after its release, some people are sticking with older versions. Windows 10 ...

Microsoft Project Perception is now in public preview. Here’s what security teams should know about its AI agents, risks, ...