Stay ahead of emerging threats with Microsoft’s newest security innovations and updates, delivered through the In the Loop ...

From SharePoint to OneDrive, Microsoft 365 offers powerful tools to protect sensitive data, but only if configured correctly. By combining built-in encryption, access controls, and compliance policies ...

Microsoft assigned CVE-2026-21520 to a Copilot Studio prompt injection vulnerability and patched it in January — but in Capsule Security's testing, data exfiltrated anyway. Here's what security ...

Microsoft has released out-of-band (OOB) security updates to patch a critical ASP.NET Core privilege escalation vulnerability ...

Microsoft Corp. Friday detailed a broad set of security updates and enhancements aimed at helping enterprises secure the rise of agentic artificial intelligence — while arguing that the industry needs ...

Patching is not enough: applications embedding the insecure library will need to be rebuilt, and affected tokens and cookies ...

Microsoft account security is essential for protecting data across Outlook, Xbox, and Windows devices. Unprotected accounts are prime targets for phishing, ransomware, and unauthorized access, making ...

Microsoft announced plans to deprecate legacy Transport Layer Security (TLS) versions and older endpoints for POP3 and IMAP4 connections in Exchange Online, as part of ongoing eff ...

Microsoft's blog recently gave a firm warning: unsupported systems aren't just outdated, they're unprotected. That message targets anyone still using Windows 10, and it's serious. In Microsoft's ...