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How Defender for Cloud Apps helps protect your Box environment

As a cloud file storage and collaboration tool, Box enables your users to share their documents across your organization and partners in a streamlined and efficient way. Using Box may expose your sensitive data not only internally, but also to external collaborators, or even worse make it publicly available via a shared link. Such incidents can be caused by malicious actors, or by unaware employees.

Connecting Box to Defender for Cloud Apps gives you improved insights into your users' activities, provide threat detection using machine learning based anomaly detections, information protection detections such as detecting external information sharing, and enabling automated remediation controls.

Main threats

  • Compromised accounts and insider threats
  • Data leakage
  • Insufficient security awareness
  • Malware
  • Ransomware
  • Unmanaged bring your own device (BYOD)

How Defender for Cloud Apps helps to protect your environment

Control Box with built-in policies and policy templates

You can use the following built-in policy templates to detect and notify you about potential threats:

Type Name
Built-in anomaly detection policy Activity from anonymous IP addresses
Activity from infrequent country
Activity from suspicious IP addresses
Impossible travel
Activity performed by terminated user (requires Microsoft Entra ID as IdP)
Malware detection
Multiple failed login attempts
Ransomware detection
Unusual administrative activities
Unusual file deletion activities
Unusual file share activities
Unusual multiple file download activities
Activity policy template Logon from a risky IP address
Mass download by a single user
Potential ransomware activity
File policy template Detect a file shared with an unauthorized domain
Detect a file shared with personal email addresses
Detect files with PII/PCI/PHI

For more information about creating policies, see Create a policy.

Automate governance controls

In addition to monitoring for potential threats, you can apply and automate the following Box governance actions to remediate detected threats:

Type Action
Data governance - Change shared link access level on folders
- Put folders in admin quarantine
- Put folders in user quarantine
- Remove a collaborator from folders
- Remove direct shared links on folders
- Remove external collaborators on folders
- Send DLP violation digest to file owners
- Send violation digest to last file editor
- Set expiration date to a folder shared link
- Trash folder
User governance - Suspend user
- Notify user on alert (via Microsoft Entra ID)
- Require user to sign in again (via Microsoft Entra ID)
- Suspend user (via Microsoft Entra ID)

For more information about remediating threats from apps, see Governing connected apps.

Protect Box in real time

Review our best practices for securing and collaborating with external users and blocking and protecting the download of sensitive data to unmanaged or risky devices.

Connect Box to Microsoft Defender for Cloud Apps

This section provides instructions for connecting Microsoft Defender for Cloud Apps to your existing Box account using the App Connector APIs. This connection gives you visibility into and control over Box use. For information about how Defender for Cloud Apps protects Box, see Protect Box.

Note

Deploying with an account that is not an Admin account leads to a failure in the API test and does not allow Defender for Cloud Apps to scan all of the files in Box. If this is a problem for you, you can deploy with a Co-Admin that has all of the privileges checked, but the API test will continue to fail and files owned by other admins in Box will not be scanned.

To connect Box to Defender for Cloud Apps:

  1. If you restrict application permission access, follow this step. Otherwise, skip to step 2.

    1. Sign into your Box account as an Admin user.

    2. Go to the custom app settings. For more information, see Managing custom apps – Box Support

    3. If your settings are configured to disable unpublished apps by default, enter the Defender for Cloud Apps API key for your data center, as listed in the following table, and save your changes.

      Data center
      Defender for Cloud Apps API key
      US1 nduj1o3yavu30dii7e03c3n7p49cj2qh
      US2 w0ouf1apiii9z8o0r6kpr4nu1pvyec75
      US3 dmcyvu1s9284i2u6gw9r2kb0hhve4a0r
      EU1 me9cm6n7kr4mfz135yt0ab9f5k4ze8qp
      EU2 uwdy5r40t7jprdlzo85v8suw1l4cdsbf

      Your data center details are shown in the Defender for Cloud Apps About page in the Settings area. For more information, see View your data center.

  2. In the Microsoft Defender Portal, select Settings. Then choose Cloud Apps. Under Connected apps, select App Connectors.

  3. In the App connectors page, select +Connect an app, and then select Box.

    Connect Box.

  4. In the Instance name page, enter a name for the connection. Then select Next.

  5. In the Follow the link pop-up, select Connect Box.

  6. The Box sign-in page opens. Enter your credentials to allow Defender for Cloud Apps access to your team's Box app.

  7. Box asks you if you want to allow Defender for Cloud Apps access to your team information, activity log, and perform activities as a team member. To proceed, select Allow.

  8. Back in the Microsoft Defender Portal, you should receive a message saying that Box was successfully connected.

  9. In the Microsoft Defender Portal, select Settings. Then choose Cloud Apps. Under Connected apps, select App Connectors. Make sure the status of the connected App Connector is Connected.

After connecting Box:

  • You'll receive events for the 7 days prior to connection.
  • Defender for Cloud Apps will perform a full scan of all files. Depending on how many files and users you have, completing the full scan can take a while.

To enable near real-time scanning, files on which activities are detected are moved to the beginning of the scan queue. For example, a file that is edited, updated, or shared is scanned right away rather than waiting for the regular scan process. Near real-time scanning doesn't apply to files that aren't inherently modified. For example, files that are viewed, previewed, printed, or exported are scanned as part of the regularly scheduled scan.

If you have any problems connecting the app, see Troubleshooting App Connectors.

Next steps

If you run into any problems, we're here to help. To get assistance or support for your product issue, please open a support ticket.