In this case, you could use macOS’s Disk Utility to make a digital copy on the computer.
You will need an optical drive to read the disc.
This could be an official Apple Superdrive or a third-party equipment.
Phil King/MakeUseOf
Connect it to your Mac via USB, using a USB-A to USB-C adapter if necessary.
Copying DRM-protected DVDs is illegal in many countries, even for backup purposes.
For instance, certain uses may be illegal under US law unless they comply withthe Fair Use doctrine.
So see to it to check the legality of ripping copy-protected DVDs in your country.
Again, you’ll need a suitable optical drive attached to your Mac to read the DVD.
You will also need a disc backup utility to rip the DVD.
For HandBrake, you’ll need to download an extra library called libdvdcss.
Download:libdvdcss(BZIP2 file)
Are You Using an Apple Silicon Mac?
To roll out the BZIP file you downloaded, run with this.
The libdvdcss library files should now be installed in the/usr/local/libfolder, which is where they need to be.
Rip the Copy-Protected DVD
You are now ready to start ripping a DRM-protected DVD using HandBrake.
For instance, some recent Disney discs have up to 99 fake titles to confuse things.