Misconception M7 / F6

A backup on a writable share is not a restore plan

A backup on a writable share is a restore plan.

Wrong claim

Why it feels true

The 02:00 copy finished, so the warehouse looks recoverable.

Precise correction

NIST CSF 2.0 (CSWP 29, final 26 February 2024) describes Recover as restoring assets and operations affected by a cybersecurity incident.

That is an outcome, not a file share.

A nightly copy the YardOS service account can overwrite is a second victim of the same ransomware. A restore plan names a copy that account cannot change, who may restore it, and the last test that actually brought YardOS back.

NIST CSWP 29: The NIST Cybersecurity Framework (CSF) 2.0, final 2024-02-26 ↗

MINI-CHECK

Ransomware encrypts YardOS. Nightly copies sit on a share the YardOS service account can write. Devon says recovery is fine because the job ran at 02:00. What is the state?

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