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The Kraken ransomware, which targets Windows, Linux/VMware ESXi systems, is testing machines to check how fast it can encrypt data without overloading them. [...]
The XZ-Utils backdoor, first discovered in March 2024, is still present in at least 35 Linux images on Docker Hub, potentially putting users, organizations, and their data at risk. [...]
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. [...]
On the first day of Pwn2Own Berlin 2025, security researchers were awarded $260,000 after successfully demonstrating zero-day exploits for Windows 11, Red Hat Linux, Docker Desktop, and Oracle VirtualBox. [...]
A new ransomware-as-a-service (RaaS) operation named Cicada3301 has already listed 19 victims on its extortion portal, as it quickly attacked companies worldwide. [...]
A new ransomware-as-a-service (RaaS) operation named Cicada3301 has already listed 19 victims on its extortion portal, as it quickly attacked companies worldwide. [...]
The RansomHub ransomware operation is using a Linux encryptor designed specifically to encrypt VMware ESXi environments in corporate attacks. [...]
A suspected Chinese threat actor tracked as UNC3886 uses publicly available open-source rootkits named 'Reptile' and 'Medusa' to remain hidden on VMware ESXi virtual machines, allowing them to conduct credential theft, command execution, and lateral movement. [...]
Researchers observed a new Linux variant of the TargetCompany ransomware family that targets VMware ESXi environments using a custom shell script to deliver and execute payloads. [...]
A new Linux variant of the Bifrost remote access trojan (RAT) employs several novel evasion techniques, including the use of a deceptive domain that was made to appear as part of VMware. [...]
A sample of the Qilin ransomware gang's VMware ESXi encryptor has been found and it could be one of the most advanced and customizable Linux encryptors seen to date. [...]
The Monti ransomware has returned to action after a two-month hiatus, now targeting primarily legal and government organizations, and VMware ESXi servers using a new Linux variant that is vastly different from its predecessors. [...]
Ransomware gangs continue to prioritize targeting VMware ESXi servers, with almost every active ransomware gang creating custom Linux encryptors for this purpose. [...]
The Abyss Locker operation is the latest to develop a Linux encryptor to target VMware's ESXi virtual machines platform in attacks on the enterprise. [...]
The Akira ransomware operation uses a Linux encryptor to encrypt VMware ESXi virtual machines in double-extortion attacks against companies worldwide. [...]
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. [...]
An increasing number of ransomware operations are adopting the leaked Babuk ransomware source code to create Linux encryptors targeting VMware ESXi servers. [...]
RTM Locker is the latest enterprise-targeting ransomware operation found to be deploying a Linux encryptor that targets virtual machines on VMware ESXi servers. [...]
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. [...]
Royal Ransomware is the latest ransomware operation to add support for encrypting Linux devices to its most recent malware variants, specifically targeting VMware ESXi virtual machines. [...]