There are still far too many people in the world whose most basic needs go unmet.Every year, for example, millions of people die from diseases that are easy to prevent or treat in the developed world.

• 三、发现漏洞：漏洞对黑客来说是最重要的信息，黑客要经常学习别人发现的漏洞，并努力自己寻找未知漏洞，并从海量的漏洞中寻找有价值的、可被利用的漏洞进行试验，当然他们最终的目的是通过漏洞进行破坏或着修补上这个漏洞。