Topic starter
09/07/2026 3:32 pm
TL;DR: When ransomware hits Active Directory, organisations can lose login, authorisation, and recovery paths at once, and manual forest restoration may take more than a week with 50 to 100 steps, according to Commvault. The governance problem is not backup availability but whether identity services can be restored cleanly, predictably, and under pressure.
Editorial analysis by NHI Mgmt Group, based on content published by Commvault: “Commvault and Deloitte: A Partnership for Identity Resilience”.
Key questions
Q: What breaks when attackers gain control of Active Directory during a ransomware attack?
A: If attackers control Active Directory, they can create new privileged accounts, push ransomware across endpoints and servers, and take over a large part of the environment.
Q: Why can directory backups still leave organisations stuck after a breach or outage?
A: Backups preserve data, but they do not by themselves prove the restored directory is clean, trusted, and correctly sequenced.
Q: What are the signs that identity recovery planning is too weak for Active Directory?
A: Long restoration estimates, many manual steps, unclear dependency order, and no isolated validation environment are strong warning signs.
Practitioner guidance
- Test identity recovery in an isolated cleanroom Rehearse Active Directory and Entra ID restoration in a segregated environment so the team can validate directory state, dependencies, and trust before reconnecting production services.
- Map minimum viable identity services Define the smallest set of authentication, authorisation, IGA, PAM, and federation components that must return first for operations to resume safely.
- Validate recovery runbooks end to end Walk the sequence from backup selection through forest restoration, privilege checks, and production re-entry, then fix gaps where manual steps create delay or error risk.
Bottom line: Active Directory recovery failure can stop login, authorisation, and incident response at the same time, which makes identity resilience a business continuity issue.
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09/07/2026 3:53 pm
Identity resilience fails when recovery assumes the directory is still trustworthy. The article shows that backup presence is not the governing question. The real issue is whether the restored state can be trusted after attacker activity, accidental change, or configuration drift. Practitioner implication: identity recovery must be designed as trust restoration, not only data restoration.
A question worth separating out:
Q: How should security teams prepare for identity restoration after ransomware or misconfiguration?
A: They should rehearse the full sequence, including backup selection, cleanroom validation, privilege checks, and production re-entry, before they need it in an incident. Recovery readiness is proved by execution under pressure, not by the existence of a backup policy.
👉 Read our full editorial: AD recovery failure turns identity resilience into a board risk