Without Windows Defender and without Updates, you are "air-gapped" in terms of security patches. If a new vulnerability like "PrintNightmare" or a zero-day exploit for 19045 emerges, you are vulnerable unless you manually install the update (which often breaks the "Micro" tweaks).
Most telemetry and data collection services are disabled by default, giving users more control over their data. What’s Included and What’s Removed Windows X-Lite -19045.3757- Micro 10 SE -x86- a...