Yes, UniStream offers UAC (User Access Control) for HMI elements, and a number of password protection options located under Password Management in the Solution Explorer. They include:

1. UniApps Administrator- Password protects UniApps, grants full access, read/write.
2. UniApps Guest- Password protects UniApps, grants restricted access, read-only.
3. Upload- Prevents unauthorized uploads.
4. VNC Full Access- Password protects VNC connection, grants full access, read/write.
5. VNC View Only- Password protects VNC connection, grants restricted access, read-only.
6. Import/Export App- Password protects Import/Export App from/to USB drive.