What is Microsoft Defender for Office 365?
MDO is the security service in Microsoft 365 dedicated to protecting our systems against advanced threats via email and collaboration tools such as Microsoft Teams, SharePoint Online, and OneDrive for Business. The service is cloud-based, and the infrastructure behind it is governed and administrated by Microsoft as a part of its cloud security offering.
What differentiates MDO from traditional email security solutions is that it has the capability to perform sandbox detonation on any incoming email and/or attachment to prevent malicious artifacts from landing on the end user’s system. The service also monitors any links received by a user to make sure that any illicit links are not reachable, as well as automated investigation and response (AIR), and, of course, advanced hunting capabilities.
Combining these features together, the attack vectors of email and collaboration threats are greatly minimized as the most common threats...
