In this chapter, you learned about the guest access security and controls that are available in SharePoint Online. You learned how to manage the ability of your organization's users to share externally, including both authenticated and anonymous sharing options. Then, you learned how to use Conditional Access to require multi-factor authentication for guest access, as well as what management and security options are available for securing your data.

In the next chapter, we will look at the management tasks for SharePoint Online.