Skip to Content

MC299403: Microsoft Secure Score improvement action updates

We’re updating Microsoft Secure Score improvement actions to ensure a more accurate representation of security posture.

MC299403: Microsoft Secure Score improvement action updates

When this will happen

We expect to begin rolling this out to customers in mid-December and expect the rollout to be completed by late December.

How this will affect your organization

Improvement actions that are being added, removed or updated in Secure Score could potentially change the overall organizational score.

The following improvement actions will be added:

  • Turn on Safe Attachments in block mode
  • Do not allow Exchange Online calendar details to be shared with external users
  • Turn on Safe Documents for Office Clients
  • Turn on the common attachments filter setting for anti-malware policies
  • Ensure that there are no sender domains allowed for Anti-spam policies
  • Create Safe Links policies for email messages
  • Create zero-hour auto purge policies for malware
  • Turn on Microsoft Defender for Office 365 in SharePoint, OneDrive, and Microsoft Teams
  • Create zero-hour auto purge policies for phishing messages
  • Create zero-hour auto purge policies for spam messages
  • Block abuse of exploited vulnerable signed drivers
  • Turn on scanning of removable drives during a full scan

What you need to do to prepare

There is no action you need to take to prepare for this change, but you may consider reviewing the improvement actions that are being added, removed or updated.

Learn more

Message ID: MC299403
Published: 19 November 2021
Updated: 19 November 2021
Effective: December 13, 2021
#FeatureUpdate #AdminImpact #365Apps
Plan For Change

Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

    Ads Blocker Image Powered by Code Help Pro

    Your Support Matters...

    We run an independent site that is committed to delivering valuable content, but it comes with its challenges. Many of our readers use ad blockers, causing our advertising revenue to decline. Unlike some websites, we have not implemented paywalls to restrict access. Your support can make a significant difference. If you find this website useful and choose to support us, it would greatly secure our future. We appreciate your help. If you are currently using an ad blocker, please consider disabling it for our site. Thank you for your understanding and support.