Display watermark on certain webpages

Applies to managed ChromeOS devices and Chrome browsers on Windows, Mac, and Linux.

As an admin, you can display a watermark with your own customized text that appears as a translucent watermark on webpages that match the data protection rules that you set.

What you need

• Chrome Enterprise Premium license
• Chrome browser version 126 or later

Create data protection rule

1. Sign in to your Google Admin console.

   Sign in using an account with super administrator privileges (does not end in @gmail.com).

2. In the Admin console, go to Menu  Rules.
3. On the Rules page, click Create rule.
4. From the drop-down menu, select Data protection.
5. For Name, type a name and description for the rule.
6. For Scope, select the org units and/or groups this rule applies to.
7. Click Continue.
8. For Apps, select the apps you want to protect data in. Under Chrome, check URL visited.
9. Click Continue.
10. For Conditions, define data that you want this rule to scan for. Choose what type of content to scan—URL or URL category, as well as what to scan for.
11. For Context conditions, set the access level for your rule. For details about access levels, including how to create new ones, go to Combine Data Loss Prevention rules with Context-Aware access conditions.
12. For Actions, choose an option:
    • Allow with warning—Adding a watermark is optional. You can check and uncheck the Add watermark over page content box, as needed.
    • Audit only—Adding a watermark is required. You can’t uncheck the Add watermark over page content box.
13. If you selected Allow with warning, check the Add watermark over page content box.
14. (Optional) Check the Customize watermark message box. Enter the text to appear as translucent watermark text overlaying page content in Chrome. Left blank, the default Confidential is shown on the webpage.
    Note: Default and customized messages display the device/user id and timestamp, UTC time zone.
15. For Alerting, select the security level—Low, Medium, or High.
16. (Optional) To report events in the alert center where you can view notifications about potential issues and take action to resolve them, check the Send to alert center box. If you want to receive email notifications, add recipients during this step.
17. Click Continue.
18. Review the criteria for your rule.
19. Click Create.

Related topics

• Create and manage rules