What are the best practices for managing break glass accounts in multi-cloud environments?

What makes break glass accounts different from normal admin access in multi-cloud?

Break glass accounts are emergency access paths, so the design goal is availability without normal-day convenience. In multi-cloud environments, that means they should be rare, highly controlled, and easy to audit across cloud providers. The account itself is less important than the operating model around it: who can use it, when, how it is activated, and what evidence is left behind.

A good pattern is to separate emergency access from everyday privilege management. That keeps the account available when a directory, federation path, or privileged identity workflow is unavailable, while reducing the chance that an emergency credential quietly becomes a standing admin backdoor.

How should you design and isolate emergency access?

Start with the smallest set of emergency accounts that still lets you recover critical control planes, tenant administration, and cross-cloud dependencies. Keep them separate from standard admin roles, avoid shared use for routine operations, and make the recovery path explicit for each cloud. This is where a multi-cloud identity strategy matters, because emergency access only works safely when privilege boundaries are consistent across platforms.

Isolation should also cover where the account can be used. Restrict remote access, limit login pathways, and avoid broad network reach that turns emergency access into general-purpose administration. For cloud recovery accounts, it is also sensible to align with the guidance in Protecting Cloud Control-Plane Recovery Accounts and Credentials, since root and tenant-level recovery paths often fail in different ways across AWS, Azure, and Google Cloud.

In practice, the emergency account should be documented as a recovery control, not as a convenience account. If it can be used by multiple people, from multiple places, for multiple jobs, it has already drifted away from break glass and toward standing privilege.

What controls make break glass accounts usable without making them risky?

Strong authentication, logged approval, and rotation are the baseline. The account should be protected with the strongest available method the platform supports, and its use should create a clear audit trail that survives the same outage conditions that triggered the account in the first place. If the account cannot be monitored or its actions cannot be attributed, it is not truly safe emergency access.

Testing is just as important as protection. A break glass account that has never been exercised in a controlled test is a theory, not a control. Periodic validation should confirm that the credential still works, the approval route still functions, and the logs still arrive where the response team can see them. The Incident Response Readiness Assessment Checklist is a useful companion here because break glass testing is really an incident-readiness question.

Credential rotation deserves special attention because emergency credentials are often long-lived by habit, even when they are rarely used. Rotation should happen on a schedule and after any use, with documented ownership over who changes the secret, who verifies the change, and who confirms the old value is no longer valid. For deeper control design, the Privileged Access Management Guide provides the broader privilege model that emergency access should fit into.

How do you keep emergency access from becoming an attack path?

Threats usually appear when emergency access is overexposed, overpermitted, or under-monitored. The two biggest failure modes are credential theft and privilege creep: if the account is easy to find, easy to reuse, or broad enough to administer everything, an attacker only needs one opportunity to turn resilience into compromise.

Multi-cloud compounds the problem because attackers can look for the weakest implementation of the same emergency concept across providers. A weak recovery account in one cloud can become the fallback route into others if there is poor segregation, reused process, or overlapping admin trust. That is why multi-cloud security should treat recovery credentials as part of the attack surface, not as an exception outside normal detection and governance.

Detection needs to cover both normal use and anomalous use. Break glass activity should be rare enough that each event is investigated, and every use should be assumed high signal until proven otherwise. If the account is used outside a declared incident or maintenance exception, that should trigger immediate review of the access path and any adjacent admin roles that might have been abused as well.

Risk and Threat Considerations

Emergency access reduces the risk of lockout, but it also concentrates privilege into one of the highest-value credentials in the environment. If that path is not isolated, monitored, and rotated, a recovery mechanism can become a durable compromise path across multiple clouds.

Failure mechanism: The account is shared too broadly, left usable for routine admin work, or exposed through weak monitoring and stale credentials, allowing it to bypass the normal privilege and approval controls that should constrain day-to-day administration.

Impact: An attacker or careless operator can obtain high-impact control-plane access, move between cloud environments more easily, and preserve access even when ordinary admin accounts are disabled or reset.

Practitioner Guidance

What to prioritise: Treat each break glass account as a distinct recovery control with a named owner, a defined approval path, and a documented rollback procedure after use. If you cannot identify who will approve, use, and reset it during an outage, the design is not ready.

What to verify: Test the full chain, not just the login. Confirm that the credential works, the access scope is narrow, logs are retained, alerts fire, and post-use rotation is mandatory. The most common mistake is assuming the account is safe because it is rarely used.

Practitioner takeaway: The safest emergency account is the one you can activate quickly, explain clearly, monitor immediately, and revoke decisively after the incident ends.

Related resources from NHI Mgmt Group

• Guide: Break-Glass and Emergency Access Account Guide
• Multi-cloud
• Why do break glass accounts create more risk in multi-cloud environments?
• What are the best practices for protecting privileged accounts in cloud-first and highly automated environments?
• What are the key best practices for break-glass accounts?