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A new Kyber ransomware operation is targeting Windows systems and VMware ESXi endpoints in recent attacks, with one variant implementing Kyber1024 post-quantum encryption. [...]
The Kraken ransomware, which targets Windows, Linux/VMware ESXi systems, is testing machines to check how fast it can encrypt data without overloading them. [...]
During the second day of Pwn2Own Berlin 2025, competitors earned $435,000 after exploiting zero-day bugs in multiple products, including Microsoft SharePoint, VMware ESXi, Oracle VirtualBox, Red Hat Enterprise Linux, and Mozilla Firefox. [...]
Broadcom released security updates today to fix a high-severity authentication bypass vulnerability in VMware Tools for Windows. [...]
Broadcom warned customers today about three VMware zero-days, tagged as exploited in attacks and reported by the Microsoft Threat Intelligence Center. [...]
VMware urged admins today to remove a discontinued authentication plugin exposed to authentication relay and session hijack attacks in Windows domain environments via two security vulnerabilities left unpatched. [...]
Microsoft fixed a known issue causing blue screens and boot failures in Windows Server 2022 virtual machines (VMs) deployed on VMware ESXi hosts. [...]
Microsoft publicly acknowledged a known issue causing Windows Server 2022 virtual machine (VM) blue screens and boot failures on VMware ESXi hosts. [...]
VMware patched today a VMware ESXi zero-day vulnerability exploited by a Chinese-sponsored hacking group to backdoor Windows and Linux virtual machines and steal data. [...]
On the third day of the Pwn2Own hacking contest, security researchers were awarded $185,000 after demonstrating 5 zero-day exploits targeting Windows 11, Ubuntu Desktop, and the VMware Workstation virtualization software. [...]
VMware has released a critical security upgrade to address a critical injection vulnerability that impacts several versions of Carbon Black App Control for Windows. [...]
VMware has released a vSphere ESXi update to address a known issue causing some Windows Server 2022 virtual machines to no longer boot after installing this month's KB5022842 update. [...]
Microsoft says some Windows Server 2022 virtual machines might not boot up after installing updates released during this month's Patch Tuesday. [...]
A relatively new ransomware operation known as Nevada seems to grow its capabilities quickly as security researchers noticed improved functionality for the locker targeting Windows and VMware ESXi systems. [...]
Hackers have found a new method to establish persistence on VMware ESXi hypervisors to control vCenter servers and virtual machines for Windows and Linux while avoiding detection. [...]
The operators of the Chromeloader adware are evolving their attack methods and gradually transforming the low-risk tool into a dangerous malware loader, seen dropping ransomware in some cases. [...]
Windows servers and workstations at dozens of organizations started to crash earlier today because of an issue caused by certain versions of VMware's Carbon Black endpoint security solution. [...]
A new ransomware family called 'GwisinLocker' targets South Korean healthcare, industrial, and pharmaceutical companies with Windows and Linux encryptors, including support for encrypting VMware ESXi servers and virtual machines. [...]
New ransomware operations continue to be launched this week, with the new Luna ransomware found to be targeting both Windows and VMware ESXi servers. [...]
Eight months after disclosing a high-severity privilege escalation flaw in vCenter Server's IWA (Integrated Windows Authentication) mechanism, VMware has finally released a patch for one of the affected versions. [...]