Microsoft software and cloud platforms underpin enterprise systems, so vulnerabilities and security advisories can affect identity, data, and operations.
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Background for this topic.
Microsoft is a technology company whose Windows, Microsoft 365, Azure, identity services, and developer tools form a widely deployed enterprise computing ecosystem. Its security relevance spans endpoint and server software, cloud control planes, authentication, collaboration data, and the update mechanisms used to maintain them.
Security news under this tag commonly concerns vulnerabilities requiring patching, exploits against exposed services, identity or token compromise, and misconfiguration of cloud permissions or authentication policies. Practitioners should verify affected versions and exposure, apply updates or mitigations, enforce multifactor authentication and least privilege, and monitor relevant audit logs. Incidents involving Microsoft-hosted identities or data may require rapid session and credential containment, investigation across cloud and on-premises systems, and assessment of privacy or regulatory obligations.
Microsoft-owned GitHub is taking steps to secure the open source software ecosystem by rolling out security features to protect code repositories.
Microsoft warns enterprises should pay attention to a new botnet used to launch DDoS attacks on private Minecraft Java servers.
Malicious Windows drivers signed as legit by Microsoft have been spotted as part of a toolkit used to kill off security processes in post-exploitation cyber activity.
Here's what you need to patch now, including six critical updates for Microsoft's final Patch Tuesday of the year.