Policies to Safely Enable External Sharing & Guest Access in Microsoft 365

The text discusses policies to enable secure external sharing and guest access in Microsoft 365. It emphasizes the importance of understanding risks and implementing controls rather than just blindly allowing or blocking external sharing. The blog offers suggestions for leveraging controls at the Team/Site level instead of the organization level, identifying priorities when dealing with external partners, and how to handle scenarios with many external customers.

• The blog recommends using new Microsoft Teams or SharePoint Sites for each external partner or client needing a unique sharing or collaborating space.


• It suggests using Sensitivity Labels to categorize and manage Teams and Sites, helping identify those shared externally and automatically enforcing the organization's security controls on these.


• The author recommends different sets of labels for Emails/Documents and Teams/Sites, to distinguish between different levels of sensitivity and permissible actions within each.


• The blog also presents guidelines on using 'Private' settings for externally shared spaces, enabling M365 group owners to add external guests, requiring Terms of Use acceptance, and enforcing Multi-Factor Authentication (MFA) for external users.


• Last, it discusses the use of Data Loss Prevention (DLP) policies and access reviews for Guest users as well as limiting the guest user’s experience to a web browser only to enhance security.

Understanding and Implementing Controls for Safe External Sharing in Microsoft 365

Effectively managing external sharing in Microsoft 365 requires a well-thought-out approach and understanding of the platform's controls. By properly using features like Sensitivity Labels and carefully implementing privacy settings, organizations can ensure the security of their data while also enabling meaningful collaboration with external partners. Thoroughly educating users on their responsibilities and carrying out regular reviews of access privileges helps keep the system secure over time.

Read the full article Policies to Safely Enable External Sharing & Guest Access in Microsoft 365

Learn about Policies to Safely Enable External Sharing & Guest Access in Microsoft 365

The main topic of this text is about implementing policies for safe and effective external sharing and guest access in Microsoft 365. This involves understanding the associated risks and the controls available in the Microsoft 365 platform, and managing these controls according to your specific policies, regulations, and risk tolerance. The writer stipulates that it's not just about exposing or locking down content but about making informed decisions, implementing control measures, and regularly assessing risks over time. The perspective is also shared that these processes should be thought of and implemented at the Microsoft Team or SharePoint Site level, as this allows for a comprehensive method of managing space owners.

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Keywords

Microsoft 365 data protection, Secure external sharing Microsoft 365, Managing guest access in Microsoft 365, Microsoft 365 risk assessment, Control measures in Microsoft 365 external sharing