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7 changes: 7 additions & 0 deletions docs/data-access-policy.md
Original file line number Diff line number Diff line change
Expand Up @@ -242,6 +242,13 @@ Access to backend systems is via secure, authenticated, encrypted channels. This
* intermediate outputs (study dataset) ([level 3 data](security-levels.md#level-3-nhs-england-are-data-controllers-of-the-data))
* unchecked, unreleased aggregated study outputs ([level 4 data](security-levels.md#level-4-nhs-england-are-data-controllers-of-the-data)).

Examples of development and maintenance activities include:

* viewing and searching application, job, container and system logs
* inspecting intermediate outputs to investigate suspected software or data issues
* running application management commands for operational support
* testing performance and integrity against production-scale data within the secure environment

This policy does not allow the extraction of pseudonymised patient data or study outputs from the system via this process; the data can only be studied within the system itself.
Some operational data may be released under controlled conditions, as detailed in a separate Operational Data Policy.

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