🛡️ Security

Immutable Backup

A backup written so that it cannot be modified or deleted for a defined retention period, even by an administrator. Immutability protects recovery data from ransomware and from insiders who hold privileged credentials, since the copy survives even if the live environment is fully compromised.

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Why Ransomware Operators Encrypt at the Hypervisor Instead of the Guest

Attacking ESXi instead of individual VMs collapses the math: one host holds many workloads, the guest's defenses do not apply, and only backups the attacker cannot reach save you.

intermediate 4 min read

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