Windows 11 collects user data through telemetry, which can be disabled in Settings > Privacy & security > Diagnostics & feedback.
OneDrive in Windows syncs files by default, posing security risks. Users can consider using Proton Drive or setting up a private cloud with Raspberry Pi.
Windows Recall feature takes screenshots of every user activity, raising privacy concerns. It's important to disable it in Privacy settings.
Microsoft's Copilot AI assistant on Windows may compromise user data privacy. Users are advised to disable it to have more control over their data.