virtualization security

Windows 11 administrators are poised to enjoy greater efficiency and sustainability thanks to a new improvement quietly transforming device management: IT admins can now control the Energy Saver feature across all company PCs remotely via Microsoft Intune and Group Policy, as reported in the...

The recent wave of critical Windows 11 boot failures has exposed a significant vulnerability in the enterprise deployment landscape, highlighting the intricate balance between routine security updates and the stability of virtualized environments. Following the May 13, 2025, Patch Tuesday...

Here's a summary of the latest issue following the May Patch Tuesday update for Windows 11 (KB5058405), as well as key details and recommended actions: What Happened? The KB5058405 update, released on May 13, 2025, is causing Windows 11 virtual machines (VMs) to fail to boot. This critical...

Microsoft has recently released Windows 11 Insider Preview Build 27868 to the Canary Channel, introducing several enhancements and fixes aimed at improving user experience and system stability. Voice Access Enhancements A notable addition in this build is the immersive in-product experience for...

Microsoft has recently released an emergency out-of-band (OOB) update, KB5061977, to address a critical issue affecting Hyper-V virtual machines (VMs) on Windows Server 2025. This bug has been causing VMs to freeze or restart unexpectedly, particularly impacting Azure confidential VMs. The...

Microsoft has taken swift action to address critical reliability threats affecting its most recent Windows environments, releasing the out-of-band (OOB) update KB5061977 for both Windows 11 version 24H2 and Windows Server 2025. This emergency update, outside of the usual “Patch Tuesday” cadence...

Microsoft’s recent release of an out-of-band update for Windows Server 2022 marks yet another pivotal moment for organizations relying on Hyper-V to run critical workloads, spotlighting both the strengths and subtle vulnerabilities of modern virtualization infrastructures. The issue at the heart...

Microsoft has once again found itself racing against the clock, pushing out an emergency fix for its flagship virtualization platform: Hyper-V, this time targeting a severe freeze bug affecting Windows Server 2022. The quick response underscores the high-stakes world of enterprise...

Microsoft has recently released an out-of-band (OOB) cumulative update, KB5061906, to address critical issues affecting Hyper-V virtual machines (VMs) running on Windows Server 2022. These issues primarily impact Azure confidential VMs, leading to unexpected freezes and restarts, thereby...

Unexpected, unscheduled updates by Microsoft for Windows Server 2022 and Windows 10 are drawing significant attention from system administrators and IT professionals worldwide. These out-of-band releases serve as a pivotal reminder of the complexities inherent in maintaining modern enterprise...

The release of an out-of-band (OOB) update for Windows Server 2022, specifically to address serious issues impacting confidential virtual machines (VMs) running on Hyper-V, signals the urgency and importance of maintaining the reliability of critical enterprise environments. In a business...

Microsoft’s rapid response to critical virtualization issues continues to play an essential role in the reliability of enterprise environments, and the latest out-of-band (OOB) update for Windows Server 2022 running Hyper-V demonstrates the company’s ongoing commitment to minimizing service...

In a swift response to a critical, albeit narrowly targeted, stability issue, Microsoft has issued an out-of-band (OOB) update for Windows Server 2022—KB5061906, released on May 23, 2025. The issue at hand directly affects Hyper-V environments hosting confidential virtual machines (VMs), a...

Signal has recently updated its Windows application to enhance user privacy by preventing the system from capturing screenshots of chats. This new "screen security" feature is enabled by default on Windows 11 and is designed to protect users from Microsoft's Recall feature, which continuously...

Cache timing side-channel attacks have re-emerged as a topic of grave concern for system security in recent months, and a new demonstration targeting fully patched Windows 11 installations underscores just how sophisticated modern exploitation techniques have become. The recent revelation that...

Here’s a summary of what happened, based on your Forbes excerpt and forum highlights: What Happened at Pwn2Own Berlin 2025? On the first day, Windows 11 was successfully hacked three separate times by elite security researchers using zero-day exploits (vulnerabilities unknown to the vendor)...

The bustling atmosphere of Berlin’s technology hub was electrified as the infamously challenging Pwn2Own hacking competition made its much-anticipated German premiere. Hailed as the Oscars of cybersecurity exploits, Pwn2Own didn’t disappoint: a staggering prize pot exceeding one million dollars...

When the doors opened on the first day of Pwn2Own Berlin 2025, few could have predicted just how quickly and decisively some of the world’s most widely used enterprise operating systems would fall to the creative might of leading security researchers. Within hours, Windows 11 and Red Hat...

The first day of Pwn2Own Berlin 2025 brought the cybersecurity spotlight back to some of the world’s most critical software platforms, revealing a dynamic and, at times, unsettling glimpse into the vulnerabilities that underscore the modern IT ecosystem. On this opening day alone, researchers...

In the rapidly evolving landscape of Windows security, few features have garnered as much interest and, at times, confusion as Virtualization-Based Security (VBS) enclaves. Recent announcements from Microsoft regarding the future of VBS enclaves—specifically the company’s decision to partially...