DeviceManagementManagedDevices.Read.All
— application permission, granted to the app registration with admin consent.
Licence: Microsoft Intune; a Mobile Threat Defense connector for threat states.
Endpoint:
GET /v1.0/deviceManagement/managedDevices (jailBroken, partnerReportedThreatState, complianceState)
If a permission is missing, this report shows a red load error with the Graph status code — not an empty table.
Jailbroken, Rooted & Threat-flagged Devices
A jailbroken or rooted phone can read the data of every app on it, including Outlook and Teams. A Mobile Threat Defense partner (Defender for Endpoint on mobile, Lookout, ...) flagging a device means it is compromised or misconfigured right now. Each row should be blocked by compliance or wiped.
No managed device is jailbroken, rooted or flagged by Mobile Threat Defense.