It was bound to be a smack head needing a quick buck. He'll have nicked it and sold it on quickly. The information is unlikely to be used and has most likely been deleted/ ignored.
The same information could most likely be found by looking through your rubbish!
Yes, it shouldn't have happened. Yes, heads should roll. As for compensation/courts ... forget about it, your wasting your time.
..... and yes, my details were on the laptop!