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Microsoft warns of credential-stealing NTLM relay attacks against Windows domain controllers

Tech Republic Security

To ward off the attack known as PetitPotam, Microsoft advises you to disable NTLM authentication on your Windows domain controller.

Windows 545
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Update VMware Tools for Windows Now: High-Severity Flaw Lets Hackers Bypass Authentication

Tech Republic Security

CVE-2025-22230 is described as an "authentication bypass vulnerability" by Broadcom, allowing hackers to perform high-privilege operations without the necessary credentials.

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Microsoft adds resiliency, redundancy, security to Windows Server 2019

Network World

With Windows Server 2019, Microsoft is adding resiliency and redundancy enhancements to the Shielded Virtual Machines security controls it introduced with Windows Server 2016. Now Shielded VM enhancements in Window Server 2019 provide real-time failback configurations and host- and policy-based security improvements.

Windows 338
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Microsoft issues fixes for non-supported versions of Windows Server

Network World

Microsoft took the rare step of issuing security fixes for both the server and desktop versions of Windows that are long out of support, so you know this is serious. The vulnerability ( CVE-2019-0708 ) is in the Remote Desktop Services component built into all versions of Windows.

Windows 339
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Government cybersecurity agency warns of Windows Server exploit

Network World

The federal government's Cybersecurity and Infrastructure Security Agency (CISA) has issued a rare emergency directive to federal government agencies to roll out a Windows Server patch within days, an indication of the severity of the exploit. It has been named "Zerologon" because of how it works.

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How to disable basic or legacy authentication to set up MFA in Office 365

Network World

Microsoft recommends setting up multi-factor authentication in Windows 10 for better security, but you have to disable basic or legacy authentication first.

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Microsoft Improves Windows Security with a Path to Move Off NTLM

Tech Republic Data Center

It’s time to stop relying on the insecure authentication protocol built into Windows. Microsoft is making it easier to switch to secure modern options.

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