Devices may be firewalls, windows or any other devices.
It is recommended that you provide full administrator rights to Qualys.
That way Qualys will be able to access all areas of your operating system, perform all checks and provide complete results.
Additionally, there are roles with rull access, but only on a read-only level. For example Backup Operator roles. That will suffice for Qualys as well and from the principle of only granting access which is required, that could be an alternative.
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