Account Security Problems

How to Report a Microsoft 365 or Azure Security Breach

Maira Mehtab Sep 22, 2026 869 views

Question details

The user needs to know the correct official procedures and channels for reporting a suspected security breach in Microsoft 365 or Azure environments.

Product: Microsoft 365, Microsoft Azure
Device & OS: not provided
Scenario: Encountering a potential security incident or account compromise within a Microsoft cloud environment.
Observed behavior: Seeking the appropriate support channels and immediate steps required to report and address a security compromise.

Before you start

Gather all relevant incident logs, identify affected accounts, and strictly avoid sharing any sensitive credentials or tenant details in public forums before contacting support.

Solution 1Recommended

Report an Incident via the Azure Portal

For Azure-related security incidents, utilize the official Azure portal support system to ensure your issue reaches the designated Microsoft security teams.

If your infrastructure or Azure active directory (Entra ID) is compromised, immediate action through the Azure support portal is required.

Sign in to Azure

Navigate to the Azure portal (portal.azure.com) and log in with your administrator credentials.

Access Help + Support

From the left-hand navigation menu or the top search bar, search for and select 'Help + support'.

Create a Support Request

Click on 'Create a support request', select 'Security' or the relevant compromised service as the issue type, and securely provide the necessary details about the suspected breach.

Community Q&A: For generalized, non-sensitive technical guidance, you can also post questions in the Microsoft Azure Q&A section, but never include passwords, tokens, or tenant IDs.

Solution 2

Report a Breach via the Microsoft 365 Admin Center

If the suspected compromise involves Microsoft 365 accounts, emails, or OneDrive data, report the incident directly through the Microsoft 365 admin center.

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Frequently Asked Questions

Should I post about my Microsoft 365 security breach on public forums?

No. You must avoid sharing sensitive credentials, tenant IDs, or specific breach details publicly. Only use official Microsoft support channels. If using the Microsoft Azure Q&A, ensure your questions are generalized and scrubbed of all sensitive data.

Who is authorized to report a security breach to Microsoft?

Typically, only users with high-level administrative privileges, such as a Global Administrator or Security Administrator, are authorized to officially submit a security incident ticket through the Microsoft 365 admin center or Azure portal.

What information should I gather before reporting an Azure security incident?

You should preserve all relevant system audit logs, sign-in activity reports from Microsoft Entra ID, and compile a timeline of the suspicious behavior. This documented information will greatly assist the Microsoft security team in their investigation.

Microsoft Office Security Issues