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Microsoft tells Windows users to ignore 0x80070643 WinRE errors
<html><body><p>Microsoft says some users might see 0x80070643 installation failures when trying to deploy the April 2025 Windows Recovery Environment (WinRE) updates. [...]</p></body></html>
Microsoft: New emergency Windows updates fix AD policy issues
<html><body><p>Microsoft has released emergency Windows updates to address a known issue affecting local audit logon policies in Active Directory Group Policy. [...]</p></body></html>
OpenAI's GPT-4.1, 4.1 nano, and 4.1 mini models release imminent
<html><body><p>According to references spotted on OpenAI's website, the Microsoft-backed AI startup is planning to launch five new models this week, including GPT-4.1, 4.1 nano, and 4.1 mini. [...]</p></body></html>
Windows Server 2025 Restart Bug Breaks Connection with Active Directory Domain Controller
<html><body><p>Microsoft has warned IT administrators about a critical issue affecting Windows Server 2025 domain controllers. Following a system restart, these servers may fail to manage network traffic correctly, poten
Microsoft: Windows Server 2025 restarts break connectivity on some DCs
<html><body><p>Microsoft warned IT admins that some Windows Server 2025 domain controllers might become inaccessible after a restart, causing apps and services to fail or remain unreachable. [...]</p></body></html>
BSI empfiehlt Upgrade oder Wechsel des Betriebssystems nach Supportende von Windows 10
Zum 14. Oktober 2025 stellt Microsoft den Support für Windows 10 ein, u.a. in den Editionen Home, Pro und Education. Das Betriebssystem erhält dann keine kostenlosen Updates mehr. Allen, die noch Windows 10 nutzen, empfi
Tycoon2FA phishing kit targets Microsoft 365 with new tricks
<html><body><p>Phishing-as-a-service (PhaaS) platform Tycoon2FA, known for bypassing multi-factor authentication on Microsoft 365 and Gmail accounts, has received updates that improve its stealth and evasion capabilities
AI Vulnerability Finding
<html><body><p>Microsoft is <a href="https://www.microsoft.com/en-us/security/blog/2025/03/31/analyzing-open-source-bootloaders-finding-vulnerabilities-faster-with-ai/">reporting</a> that its AI systems are able to find
Microsoft Defender will isolate undiscovered endpoints to block attacks
<html><body><p>Microsoft is testing a new Defender for Endpoint capability that will block traffic to and from undiscovered endpoints to thwart attackers' lateral network movement attempts. [...]</p></body></html>
Microsoft starts final Windows Recall testing before rollout
<html><body><p>Microsoft is gradually rolling out the AI-powered Windows Recall feature to Insiders in the Release Preview channel before making it generally available to all Windows users with Copilot+ PCs. [...]</p></
Microsoft: Windows 'inetpub' folder created by security fix, don’t delete
<html><body><p>Microsoft has now confirmed that an April 2025 Windows security update is creating a new empty "inetpub" folder and warned users not to delete it. [...]</p></body></html>
Microsoft says Edge browser is now 9% faster after optimizations
<html><body><p>Microsoft claims its Chromium-based Microsoft Edge has seen up to 9% performance improvements following the release of version 134. [...]</p></body></html>
The ultimate guide to Microsoft Security at RSAC 2025
<html><body><p>For RSAC 2025, Microsoft Security is bringing an exciting lineup of sessions, expert panels, and exclusive networking opportunities to empower security professionals in the era of AI. </p> <p>The post <a h
Stopping attacks against on-premises Exchange Server and SharePoint Server with AMSI
<html><body><p>Exchange Server and SharePoint Server are business-critical assets and considered crown-jewels for many organizations, making them attractive targets for attacks. To help customers protect their environmen
How cyberattackers exploit domain controllers using ransomware
<html><body><p>Read how cyberattackers exploit domain controllers to gain privileged system access where they deploy ransomware that causes widespread damage and operational disruption.</p> <p>The post <a href="https://w
Microsoft’s April 2025 bumper Patch Tuesday corrects 124 bugs
<html><body><p>Microsoft is correcting 124 vulnerabilities in its March Patch Tuesday, one of which is being actively exploited in the wild, and 11 of which are ‘critical’</p></body></html>
Patch Tuesday, April 2025 Edition
<html><body><p>Microsoft today released updates to plug at least 121 security holes in its Windows operating systems and software, including one vulnerability that is already being exploited in the wild. Eleven of those
Exploitation of CLFS zero-day leads to ransomware activity
<html><body><p>Microsoft Threat Intelligence Center (MSTIC) and Microsoft Security Response Center (MSRC) have discovered post-compromise exploitation of a newly discovered zero-day vulnerability in the Windows Common Lo
Meet the Deputy CISOs who help shape Microsoft’s approach to cybersecurity
<html><body><p>Meet the minds behind how Microsoft prioritizes cybersecurity across every team and employee. Three deputy CISOs share their experiences in cybersecurity and how they are redefining protection.</p> <p>The
Microsoft Celebrates 50th Anniversary!
<html><body><p>Microsoft celebrated its 50th anniversary on April 4, 2025, reflecting on its journey since Bill Gates and Paul Allen founded the company in 1975. The milestone event, held at Microsoft’s Redmond, Washingt