The naming and, from what I've gathered, recent changes are a mess. Recently I looked at M365 business premium and thought that would only include Defender for

The naming and, from what I've gathered, recent changes are a mess. Recently I looked at M365 business premium and thought that would only include Defender for O365 (why not M365?) and require a separate subscription for Defender for Endpoint, but now it looks like Defender for Business is included.