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Hypervisor security: The gap ransomware groups are exploiting

Published

12 August 2026

Topic

regulatory

Sectors

Cybersecurity

Source

Read at fieldeffect.com

Verified

Fusion42 · 12 August 2026 · Fusion42 review

Ransomware groups exploit security gaps in hypervisors, the software managing virtual machines, to gain broad access to organizations' critical infrastructure. Attacks focus on vulnerabilities in widely used hypervisors like VMware ESXi, Hyper-V, and Proxmox, enabling mass encryption or destruction of virtual machines by attacking the underlying hypervisor rather than individual VMs.

This Wire brief sits within Fusion42's coverage of Cybersecurity.

◆ The Wire takeaway

Your hypervisor is the real chokepoint ransomware attacks exploit, not just the virtual machines. If you manage virtual environments, lock down hypervisor access and patch immediately to stop attackers hitting your entire infrastructure at once.

Coverage

1 source · 12 Aug 2026

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Topics

Cybersecurityransomwarehypervisorvulnerabilitycybersecurityattack-vector