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.
As part of its efforts to add AI everywhere, Microsoft is now bringing AI features to the popular Paint and Notepad apps on Windows 11. [...]
Microsoft has confirmed that last month's Windows security updates are breaking SSH connections on some Windows 11 22H2 and 23H2 systems. [...]
Cybersecurity researchers have flagged a new malware campaign that infects Windows systems with a Linux virtual instance containing a backdoor capable of establishing remote access to the compromised hosts
'Multiple' malware samples likely targeting education orgs Criminals are using game-related applications to infect Windows systems with a malicious software framework called Winos4.0 that gives the attackers full control over compromised machines.…
Findings From the Tech Giant's Defense Report 2024 Flag Expanding Threat LandscapeMicrosoft's latest Digital Defense Report exposed an increasingly complex cyber battlefield in which nation-state actors team up with cybercriminals to launch sophisticated attacks, while organizations continue to struggle to defend against these evolving threats.
Tactics, techniques, and procedures (TTPs) form the foundation of modern defense strategies. Unlike indicators of compromise (IOCs), TTPs are more stable, making them a reliable way to identify specific cyber threats. Here are some of the most commonly used techniques, according to ANY.RUN's Q3 2024 report on malware trends, complete with real-world examples
Hackers are increasingly targeting Windows users with the malicious Winos4.0 framework, distributed via seemingly benign game-related apps. [...]
Microsoft has started testing AI-powered Notepad text rewriting and Paint image generation tools four decades after the two programs were released in the 1980s. [...]
A new malicious package called 'SteelFox' mines for cryptocurrency and steals credit card data by using the "bring your own vulnerable driver" technique to get SYSTEM privileges on Windows machines. [...]
An ongoing threat campaign dubbed VEILDrive has been observed taking advantage of legitimate services from Microsoft, including Teams, SharePoint, Quick Assist, and OneDrive, as part of its modus operandi
Winos4.0 malware, derived from Gh0strat, targets Windows users via game-related applications, enabling remote control of affected systems
Microsoft has announced that Windows Server 2025, the latest version of its server operating system, is generally available starting Friday, November 1st. [...]
A new phishing campaign dubbed 'CRON#TRAP' infects Windows with a Linux virtual machine that contains a built-in backdoor to give stealthy access to corporate networks. [...]
Microsoft has confirmed several bugs causing install and Blue Screen of Death (BSOD) issues impacting Windows Server 2025 systems with more than 256 logical processors. [...]