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.
Also: Hackers Target Apple Password Reset FlawThis week, Russian organizations are losing Microsoft Cloud, hackers targeted an Apple flaw, Germany warned of critical flaws in Microsoft Exchange, an info stealer targeted Indian government agencies and the energy sector, and Finland confirmed APT31's role in a 2020 breach of Parliament.
One might say this is a wurst case scenario The German Federal Office for Information Security (BIS) has issued an urgent alert about the poor state of Microsoft Exchange Server patching in the country.…
Microsoft reminded customers today that the Windows 11 22H2 Home and Pro editions will continue to receive non-security preview updates until June 26. [...]
Threat actors are widely adopting the fast-growing, low-cost phishing-as-a-service (PhaaS) platform, which is sold via Telegram.
CISA warns that attackers are now exploiting a Microsoft SharePoint code injection vulnerability that can be chained with a critical privilege escalation flaw for pre-auth remote code execution attacks. [...]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a security flaw impacting the Microsoft Sharepoint Server to its Known Exploited Vulnerabilities (KEV) catalog based on evidence of active exploitation in the wild
A now-patched security flaw in the Microsoft Edge web browser could have been abused to install arbitrary extensions on users' systems and carry out malicious actions. "This flaw could have allowed an attacker to exploit a private API, initially intended for marketing purposes, to covertly install additional browser extensions with broad permissions without the user's knowledge," Guardio
Microsoft has released the March 2024 non-security KB5035942 preview update for Windows 11 23H2, which enables Moment 5 features by default and fixes 18 known issues. [...]
Microsoft has released the optional KB5035941 preview cumulative update for Windows 10 22H2, introducing widgets on the lock screen, Windows Spotlight on the desktop, and 21 other fixes or changes. [...]
The German national cybersecurity authority warned on Tuesday that it found at least 17,000 Microsoft Exchange servers in Germany exposed online and vulnerable to one or more critical security vulnerabilities. [...]
Cybercriminals have been increasingly using a new phishing-as-a-service (PhaaS) platform named 'Tycoon 2FA' to target Microsoft 365 and Gmail accounts and bypass two-factor authentication (2FA) protection. [...]
In January 2024, Microsoft discovered they’d been the victim of a hack orchestrated by Russian-state hackers Midnight Blizzard (sometimes known as Nobelium). The concerning detail about this case is how easy it was to breach the software giant. It wasn’t a highly technical hack that exploited a zero-day vulnerability – the hackers used a simple password spray attack to take control of
ALSO: Viasat hack wiper malware is back, users are the number one cause of data loss, and critical vulns Infosec in brief If your Windows domain controllers have been crashing since a security update was installed earlier this month, there's no longer any need to speculate why: Microsoft has admitted it introduced a memory leak in its March patches and fixed the issue.…