Setting Up DLP In Office 365 Exchange Online

Introduction

In this article, you will learn what  DLP is and how to setup DLP in Office 365 Exchange Online Mailbox. 

Data loss prevention or DLP is a great technology to protect sensitive and important business data. All the users or organizations want to protect their data from leaking. That’s why Microsoft Office 365 runs the DLP service to prevent leaking of the O365 Mailbox data.

DLP Policy is used to analyze the sensitive material without affecting other tasks which are working on the remaining material. It is very helpful in those cases where the words or phrases are unique or not similar to credit card numbers, financial documents, unique employee IDs, health records or top-secret file naming conventions. The users can track, identify, and protect the confidential content which is stored in the cloud.

Setup DLP in Office 365 environment manually

Step 1

First login to your O365 Admin Account, and go to Admin Center window by clicking Exchange.

Step 2

Now, the Exchange Admin Center window will open on the screen, just choose Compliance Management >> Data Loss Prevention then click New DLP policy for the template.
 
Setting Up DLP In Office 365 Exchange Online 

Step 3

After that, a new window will appear on the screen and here you can create your own or create a new policy on the existing template.

For this, type the name and select the template then hit on Save.

Setting Up DLP In Office 365 Exchange Online 

Step 4

Now, click on the pencil icon to modify the created template, just because by default it's ruling the text mode, and invisible to the end user.
 
Setting Up DLP In Office 365 Exchange Online 

Step 5

After that check on the Enforce option >> rule >> and modify the given option according to your requirement >> hit on save.
 
Setting Up DLP In Office 365 Exchange Online 

Step 6

Once you've saved it you can see the policy in the MS Outlook or Outlook Web App.

You can check it by sending mail. Whenever you will send a mail you will get an alert like this,

Setting Up DLP In Office 365 Exchange Online 

Step 7

After that, you want to send that mail then type the business justification message and press override.
 
Setting Up DLP In Office 365 Exchange Online 

Note
This will not stop the malicious user who asks for private information to stop doing so, there is no way to stop everything, but it is a very useful way to prevent disclosure while educating the end user about this concern.

Conclusion

In this post, I have explained to you what DLP is and how to setup DLP in Office 365 Mailbox. Here, I have discussed the step by step solution, so follow all give instructions to configure DLP in the O365 Cloud Platform. If you have any question regarding this blog just write a message in the comment box.