You may get a alarm secured quality brake disk lock that isn't just "stabbable".
I secured my Fat Lady with a 3G and GPS alarm.
Move it, alarm goes off and I get the news plus position on my cellphone.
Disconnect battery: as above.
To my son : take the alarm's key fob and the bike keys for a trip:
Geofence alarm goes off on my phone and I can deactivate ignition.
This will be a long walk home.. .
