The value proposition for the services in the EM+S E5 suite does not seem like it has been convincing to customers for a while now. Over the last year or so, Microsoft has been putting a lot of work into the Defender services to improve that value proposition, and to provide a better technical security solution for Microsoft 365 customers.
In the last year or so Microsoft has rebranded and reorganized the Defender applications into Defender for Cloud Apps, Defender for Office 365, Defender for Endpoint, and Defender for Identity. While those four services are a good start, there are still gaps in the protection they provide.
To that end, Microsoft has added a new product in public preview to the Defender Suite, Microsoft Defender Vulnerability Management (DVM). DVM is targeted at improving vulnerability management in the following areas: