Originally Posted by
hermanchauw
A friend of mine who used to steal bikes adviced me to use cable lock instead of chain or U lock. It is much easier and faster to cut chain or solid metal than cable.
All a thief needs for cable is a small pair of wire snips. No you can't cut through in one cut but you can easily and quickly work through the individual wires. See:
How to cut a steel cable lock. - YouTube
Perhaps your friend who used to steal bikes has his eye on yours.