Warlock ransomware attackers are targeting water, telecom, government, and education organizations through on-premises SharePoint flaws. In one intrusion, they disabled security software on at least 40 hosts in about two hours, then spread ransomware to at least 33.
Warlock disables security on 40 hosts before deploying ransomware More...
Warlock ransomware attackers disabled security tools on at least 40 hosts in about two hours, then deployed ransomware to at least 33 systems. The July attack highlights the speed with which the group can turn a breach of on-premises SharePoint into a wider network compromise.
Warlock ransomware uses SharePoint flaws and disables defenses on 40 hosts More...
Microsoft has started rolling out Windows 11 26H2, and the good news for administrators is that Microsoft currently lists no active upgrade-blocking issues. Even so, the release health page still shows three recently mitigated problems that can affect post-install stability: USB audio failures, broken trust relationships on some domain-joined devices, and black screens in certain virtual desktop setups.
Windows 11 26H2 known issues More...
Microsoft plans to deprecate the Windows Deployment Services (WDS) server role, including its Preboot Execution Environment (PXE) boot functionality, starting with the next Windows Server release. WDS continues to work on Windows Server 2025 and earlier, but you should begin planning a migration now. This article explains what the deprecation covers and evaluates the alternatives Microsoft names: the Configuration Manager PXE responder without WDS, non-Microsoft PXE solutions, and UEFI HTTP(S) Boot. It also covers Windows Autopilot for new devices and the planning steps Microsoft recommends.
Alternatives to Windows Deployment Services (WDS) and Preboot Execution Environment (PXE) More...
Microsoft’s September 2026 security roundup adds a Security Copilot detonation summary to Microsoft Defender for Office 365 and network-level data loss prevention (DLP) through Microsoft Purview and Microsoft Entra Global Secure Access. Purview also gains larger auto-labeling simulations, eDiscovery support for user-owned SharePoint Embedded containers, file-level archiving, and permanent deletion with Priority Cleanup. In addition, Intune Remote Help, Enterprise Application Management, and Microsoft Cloud PKI are coming to GCC High. This article explains the requirements, configuration steps, and limitations of each feature.
Windows administrators should default to a group Managed Service Account (gMSA) for supported workloads instead of using a human identity or manually managed domain-user password. The choice reduces outage risk as well as credential exposure because Windows handles password management while preserving a separate identity for each application or service.
Service Account vs User Account: Why gMSA should be your Windows default More...
Windows administrators are reporting that the September 2026 updates break shared printing across Windows Server 2022, Windows 10, and Windows 11 environments. The failures affect Type 3 printer drivers and Remote Desktop Session Host systems, while Microsoft has not yet listed the printing regression as a known issue for KB5122882 or its KB5129237 out-of-band update.
Windows September 2026 update breaks shared printing on Server 2022 More...
Maester 2.2 extends the open-source PowerShell security testing framework from Microsoft 365 and Entra into on-premises Active Directory with 269 opt-in checks across 19 areas. The release gives administrators a way to baseline directory security, GPO configuration, permissions, DNS, trusts, and replication without modifying the environment.
Maester 2.2 brings 269 opt-in Active Directory security checks More...
Microsoft’s emergency KB5129195 update only partly repairs the USB Audio Class 1.0 failures introduced by September’s Patch Tuesday release. Systems that previously lost audio or showed Code 10 errors may still be affected, while the new patch mainly restores eight-channel and 3D audio operation.
Microsoft’s emergency Windows update fixes only multichannel USB audio More...
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