VMware ESXi is a bare-metal enterprise hypervisor that virtualizes servers to run multiple virtual machines on a single hardware platform.
Overview
VMware ESXi is a bare-metal enterprise hypervisor that virtualizes servers to run multiple virtual machines on a single hardware platform. It is a high-value target in cybersecurity because compromising the hypervisor or its management layer can disrupt or collapse entire virtual environments, and recent threat activity shows ransomware groups adding ESXi support to their attack surface or tooling, making ESXi a notable focus for defense and incident response.
Related Threat Clusters
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Critical Check Point VPN Vulnerability Exploited by Ransomware Gang
Check Point Software Technologies disclosed a critical authentication bypass vulnerability (CVE-2026-50751) affecting its Remote Access VPN and Mobile Access products, with exploitation confirmed since May 7, 2026. The…
46 articles · Updated June 8, 2026 -
VerdantBamboo's 18-Month Cyber Campaign Targets Managed Service Providers
A Chinese threat actor known as VerdantBamboo compromised a company's network through a managed service provider (MSP) over 18 months. The initial breach involved a Linux-based Egnyte Storage Sync appliance, which was…
2 articles · Updated June 5, 2026 -
Russian Drone Attack on Chernobyl's New Safe Confinement Raises Nuclear Safety Concerns
On February 14, 2025, a Russian drone struck the New Safe Confinement (NSC) at the Chernobyl Nuclear Power Plant, damaging its structure and raising alarms about potential radiation leaks. The NSC, designed to contain…
144 articles · Updated April 14, 2026 -
Toy Ghouls Launch GenieLocker Ransomware Targeting Russian Manufacturing
The Toy Ghouls group, also known as Bearlyfy, has introduced a new ransomware called GenieLocker, active since March 2026. This ransomware targets Windows, Linux, and VMware ESXi systems, primarily affecting the…
5 articles · Updated July 30, 2026 -
Foxconn Cyberattack: Nitrogen Ransomware Claims 8TB of Data Theft
Foxconn confirmed a cyberattack on its North American facilities, attributed to the Nitrogen ransomware group, which claims to have stolen 8 terabytes of data, including over 11 million files. The attack reportedly…
54 articles · Updated May 12, 2026 -
Exploitation of Client Software Vulnerabilities and User Execution Techniques
Recent cybersecurity reports detail the exploitation of software vulnerabilities in client applications, particularly targeting web browsers and Microsoft Office. Adversaries utilize techniques such as Drive-by…
2 articles · Updated June 8, 2026 -
Chinese Hackers Exploit Dell Zero-Day Flaw CVE-2026-22769 Since Mid-2024
A Chinese state-backed hacking group, UNC6201, has been exploiting a critical zero-day vulnerability in Dell RecoverPoint for Virtual Machines since at least mid-2024. The flaw, tracked as CVE-2026-22769, features a…
40 articles · Updated February 17, 2026 -
Vect 2.0 Ransomware Functions as Data Wiper, Not Encryptor
The Vect 2.0 ransomware, emerging from a partnership with the TeamPCP group, has been found to irreversibly destroy files larger than 128 KB instead of encrypting them for ransom. This critical flaw, identified by Check…
21 articles · Updated April 28, 2026 -
Vishing Campaigns Target Organizations via Microsoft Teams and New Operator Console
A vishing campaign, tracked as STAC4749, targeted North American organizations from February to June 2026, using Microsoft Teams to impersonate IT personnel and gain remote access. Attackers deployed a modular toolset,…
9 articles · Updated July 29, 2026 -
Gentlemen RaaS Targets Windows, Linux, and ESXi with New C Locker
The Gentlemen ransomware-as-a-service (RaaS) operation has emerged as a significant threat to corporate networks, targeting multiple platforms including Windows, Linux, NAS, BSD, and VMware ESXi. This group has rapidly…
4 articles · Updated April 21, 2026
Recent Intelligence Reports
- 115909 — securelist.ru · July 30, 2026
- Toy Ghouls’ new toy: the GenieLocker ransomware — Securelist · July 30, 2026
- New Chaos Ransomware — blog.talosintelligence.com · July 29, 2026
- T1203 · Exploitation for Client Execution — attack.mitre.org · June 8, 2026
- A Qilin ransomware affiliate exploited a Check Point VPN zero — Thenextweb · June 8, 2026
- China’s VerdantBamboo Experimented With Three Re — Thecyberexpress · June 5, 2026
- Pwn2Own Berlin 2026: Day Three Results and Master of Pwn — Thezdi · May 16, 2026
- Foxconn confirms cyberattack claimed by Nitrogen ransomware gang — Bleepingcomputer · May 13, 2026