Welcome to the virtual world. There is some valuable data stored on your server. Your task is to protect this data from malicious programs which will try to steal it. Some of them will try to use brute force their way through your defenses. Most, however, will use more sophisticated algorithms. Some of them can be quick, others are well aware of your defenses and will therefore avoid attacks, and some more still you will not notice at all. And remember that it is not only you who can patch your system — your enemies are not standing still, too. Their creators are constantly studying your security utility programs and release more advanced versions. A deep and hardcore tower defense gameplay. A variety of enemies. A giant skills tree. Patches for the Patches God! (And all of them are really useful :) ) An unusual visual style. Every level has its own unique dressing which not only looks good but also moves in tune with the