I apologize for all the snarky comments. Too many people wished they were stand up comics and, for lack of ANY talent, missed that boat and wound up on this forum.
There are many broke, desperate folks in the world (NOT just Thailand) who would jump on the opportunity to snatch a laptop. Even if you lock the software down, thieves can remove the hard drive, access all your files, then sell the hardware (drive, ram, etc.).
Take it with you, don't let it out of your sight. Chances are you have too much sensitive info on that machine.