An adversary may add the Global Administrator role to an adversary-controlled account to maintain persistent access to an Office 365 tenant.(Citation: Microsoft Support O365 Add Another Admin, October 2019)(Citation: Microsoft O365 Admin Roles) With sufficient permissions, a compromised account can gain almost unlimited access to data and settings (including the ability to reset the passwords of other admins) via the global admin role.(Citation: Microsoft O365 Admin Roles)
This account modification may immediately follow Create Account or other malicious account activity.
View in MITRE ATT&CK®| Capability ID | Capability Description | Mapping Type | ATT&CK ID | ATT&CK Name | Notes |
|---|---|---|---|---|---|
| identityplatform | IdentityPlatform | technique_scores | T1098.003 | Add Office 365 Global Administrator Role |
Comments
Identity Platform can help protect your app's users and prevent account takeovers by offering multi-factor authentication (MFA) and integrating with Google's intelligence for account protection. This will help mitigate adversaries from gaining access to permission levels.
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