Its anchored to the floor with 4 of these:
http://www.homedepot.com/p/Simpson-Strong-Tie-Mechanically-Galvanized-1-2-in-x-6-in-Titen-HD-Heavy-Duty-Screw-Anchor-2-Pack-THD50600HMG-RP2/100375203
My safe, I think, could be cut open with a sawzall from the top or side pretty quickly. I just set...