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 highlighted a new Star Blizzard campaign targeting WhatsApp accounts, as the group adapts its TTPs following the takedown of its infrastructure by law enforcement
Patch Tuesday saw Microsoft fix eight zero-days, three of which are being actively exploited
Barings Law is planning to sue the two tech giants over numerous alleged violations of data misuse, including for AI training
Microsoft confirmed an outage of its multi-factor authentication system impacting access to Microsoft 365, causing login failures and service disruption