Secure Score: New Recommendation to Reduce Inbound Internet Exposure

🚨 The Signal: Microsoft Secure Score in Defender for Endpoint will add a recommendation to identify and reduce unnecessary inbound internet exposure on devices, enhancing enterprise security posture.

The Impact

Admins managing Microsoft Defender for Endpoint and Secure Score are affected by new visibility into internet-facing devices, posing a risk if exposure is not validated or secured.

  • Security Teams: Gain visibility into internet-facing devices, reducing potential attack surface risks.
  • Admins: Must validate and remediate unnecessary inbound internet exposure to maintain security posture.

The Action

  1. Review the new recommendation in Microsoft Secure Score once it appears.
  2. Identify devices flagged as internet-facing.
  3. Validate whether each exposure is expected, approved, and required.
  4. Follow provided remediation guidance to reduce unnecessary exposure.
  5. For devices that must remain internet-facing, ensure exposure is approved, documented, and properly secured.

Domain: Defender · Impact: high · Workload: Microsoft Defender · Essential Eight: Patch Operating Systems · ISM: ISM-0974