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    Hayden's Server Room

    A hands-on IT blog covering security, compliance, AI, fintech, and infrastructure. Written by a CISSP/CISA/PMP-certified professional in multinational corporate environments.

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    Category: Windows

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    • Windows

    MS Excel [CVE-2025-21354] Remote Code Execution Vulnerability Patch

    September 19, 2025 HaydenLeave a Comment on MS Excel [CVE-2025-21354] Remote Code Execution Vulnerability Patch

    Did you know that the Excel files you use daily at work could become a security threat? CVE-2025-21354, announced by […]

    Security, Windows CVE-2025-21354, excel, Excel Vulnerability, Windows security

    VMware Tools [CVE-2025-41239] vSockets Memory Leak Vulnerability Patch

    September 19, 2025 HaydenLeave a Comment on VMware Tools [CVE-2025-41239] vSockets Memory Leak Vulnerability Patch

    Virtualization security is once again in the spotlight. On July 15, 2025, VMware released VMSA-2025-0013, a critical security advisory alerting […]

    Security, VMWare, Windows CVE-2025-41239, VMware Patch, VMware Tools, VMware Vulnerability

    Windows Server [CVE-2025-55234] SMB Relay Attack Vulnerability Patch

    September 16, 2025September 16, 2025 HaydenLeave a Comment on Windows Server [CVE-2025-55234] SMB Relay Attack Vulnerability Patch

    Today we’re covering a critical security update that Windows Server administrators need to implement immediately. Microsoft’s September 2025 Patch Tuesday […]

    Windows, Security CVE-2025-55234, SMB, Windows Patch, Windows Vulnerability

    [Windows AD GPO] Limit Network Share(SMB) Concurrent Connections

    September 8, 2025September 8, 2025 HaydenLeave a Comment on [Windows AD GPO] Limit Network Share(SMB) Concurrent Connections

    Today I’m going to cover a really practical topic that’s crucial for Windows environments – how to use GPO (Group […]

    Security, Windows GPO policy, network sharing, SMB, Windows AD

    [Windows AD GPO] How to Enforce Screen Saver Settings

    September 3, 2025 HaydenLeave a Comment on [Windows AD GPO] How to Enforce Screen Saver Settings

    Today, we’ll explore how to use Active Directory Group Policy Objects (GPO) to enforce screen saver settings across all domain […]

    Security, Windows AD GPO, Screen Saver, Windows security

    How To Restrict Windows Login Hours Using AD GPO Policies

    September 2, 2025September 7, 2025 HaydenLeave a Comment on How To Restrict Windows Login Hours Using AD GPO Policies

    This post will walk you through how to effectively restrict Windows login hours using AD GPO policies with step-by-step instructions. […]

    Security, Windows AD GPO, Logon Hours Restriction, Windows security

    [Windows GPO/Registry] Configure RDP Concurrent Session Limits

    September 2, 2025 HaydenLeave a Comment on [Windows GPO/Registry] Configure RDP Concurrent Session Limits

    If you’ve ever encountered the message “The number of connections to this computer is limited and all connections are in […]

    Security, Windows AD GPO, RDP, Registry

    [Windows Security] Change Default RDP Port 3389 Via GPO/Registry

    September 2, 2025 HaydenLeave a Comment on [Windows Security] Change Default RDP Port 3389 Via GPO/Registry

    In this post, we’ll look at how to enhance Windows system security by changing the default Remote Desktop Protocol (RDP) […]

    Security, Windows 3389, AD GPO, RDP, Windows security

    How to Force Set Edge Browser Homepage via Windows AD GPO

    August 25, 2025 HaydenLeave a Comment on How to Force Set Edge Browser Homepage via Windows AD GPO

    This guide covers how to configure Microsoft Edge browser homepage settings using Windows Active Directory Group Policy Objects (GPO). This […]

    Security, Windows AD GPO, Edge Browser Homepage, Windows security

    Display Windows Logon Banner Security Warning Messages (AD GPO, Registry)

    August 23, 2025 HaydenLeave a Comment on Display Windows Logon Banner Security Warning Messages (AD GPO, Registry)

    One of the most fundamental yet effective ways to enhance security in Windows environments is configuring logon banners. By displaying […]

    Security, Windows AD GPO, Logon Banner Security Warning Messages, Registry, Windows security

    Disable Chrome Incognito Mode via AD GPO (Windows Security)

    August 23, 2025 HaydenLeave a Comment on Disable Chrome Incognito Mode via AD GPO (Windows Security)

    In enterprise environments, organizations may need to restrict Chrome’s Incognito Mode to strengthen security policies and monitor web browsing activities. […]

    Security, Windows AD GPO, Chrome, Incognito Mode, Windows security

    Disable Registry Editor (regedit) Access (Windows Security: AD GPO)

    August 23, 2025August 23, 2025 HaydenLeave a Comment on Disable Registry Editor (regedit) Access (Windows Security: AD GPO)

    This guide demonstrates how to use Active Directory Group Policy Objects (GPO) to block Windows users from accessing the Registry […]

    Security, Windows AD GPO, Disable Registr, regedit, Registry Editor, Windows security

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