Saturday, October 24, 2020
Home Microsoft 365 Security and Compliance Prevent leaks of sensitive data

Prevent leaks of sensitive data

Data Loss Prevention helps you to protect your data, with DLP you can:

  • Identify sensitive information across many locations, such as Exchange Online, SharePoint Online, OneDrive for Business, and Microsoft Teams.
  • Prevent the accidental sharing of sensitive information.
  • Monitor and protect sensitive information in the desktop versions of Excel, PowerPoint, and Word.
  • Help users learn how to stay compliant without interrupting their workflow.
  • View DLP reports showing content that matches your organization’s DLP policies.

Using a retention label as a condition in a DLP policy

When you use a previously created and published retention label as a condition in a DLP policy, there are some things to be aware of:

You have to have previously created, published and applied the retention label before you attempt to use it as a condition in a DLP policy.
Retention labels can take up to a day to sync and up to seven days to auto-apply after they have been created and published.

See, How long it takes for retention labels to take effect for detailed information.
Using a retention label in policy is only supported for items in SharePoint Online and OneDrive for Business.

DLP cmdlets

To use most of the cmdlets for the Security & Compliance Center, you need to:

Connect to the Office 365 Security & Compliance Center using remote PowerShell

Use any of these policy-and-compliance-dlp cmdlets

However, DLP reports need pull data from across Microsoft 365, including Exchange Online. For this reason, the cmdlets for the DLP reports are available in Exchange Online Powershell — not in Security & Compliance Center Powershell. Therefore, to use the cmdlets for the DLP reports, you need to:

Connect to Exchange Online using remote PowerShell

Use any of these cmdlets for the DLP reports:

Get-DlpDetectionsReport
Get-DlpDetailReport

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