I wasn't being a wise guy, I was being fair dinkum.
Not sure how long you've lived in Thailand, things are different here.
You say it's a secure development, that just means there is a security guard asleep on site somewhere, or perhaps it was an inside job, the security guard organised the theft.
Once you get the cable replaced put in your own security, steel enclosures for the cable, CCTV cameras etc.
Why is the house unoccupied?
Get it occupied asap.