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Cyber resilienceCrisis management
Ransomware
In French : Rançongiciel
Malware that encrypts or exfiltrates data for extortion. It is today the reference scenario for most continuity exercises.
Source : ENISA / NIST SP 800-61
Related terms
Immutable backup
A backup that cannot be altered or deleted for a defined period, even by an administrator. It is the only genuinely effective protection against ransomware that compromises the directory.
Severe but plausible
The calibration criterion for a test scenario: severe enough to stress the arrangements, credible enough that management accepts the conclusions.