Two of the most common situations ClearStack is deployed into — and exactly how the architecture handles each one.
Many government agencies run isolated environments — OT networks, labs, clinical systems, or legacy application stacks — where the machines themselves can't be enrolled in a modern identity provider. The operating systems are too old for Intune, the applications rely on legacy auth protocols, and the network perimeter was never designed to carry MFA.
The usual answer is to exempt these environments from Essential Eight requirements and accept residual risk. ClearStack takes a different approach: bring identity enforcement in front of the machine, not inside it.
Using Entra Private Access, staff authenticate with full MFA and Conditional Access before a connection to the target host is ever established. The legacy machine never needs to be touched. It doesn't need to be enrolled, updated, or reconfigured — it simply becomes unreachable without a valid, policy-checked identity assertion from Entra ID.
A team wants to validate a novel AI use case: test a model against real data, trial a new toolchain, explore a sensitive workload. The standard path — raise a change request, wait for infrastructure provisioning, go through the accreditation gate — takes months. The fast path — spin up something yourself, worry about security later — creates shadow IT and leaves the CISO cleaning up afterwards.
ClearStack gives a third option: an ephemeral environment that is compliant and documented from the moment it's created, not retrofitted after the experiment concludes.
Existing enterprise users access it with their current credentials — no new accounts, no separate directories, no credential sprawl. The enterprise Entra ID remains the sole IdP. Data flow is established deliberately: one-way for read-only analysis, two-way where the enterprise explicitly permits it. When the validation concludes, the environment tears down cleanly with a full audit trail intact.
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