There are hackers who hunt for bugs and try to close security holes in software to make systems safer and more resilient.

有些黑客会寻找错误并尝试关闭软件中的安全漏洞，以使系统更安全、更有弹性。

Another is to find ways to ensure that software developers produce code with fewer flaws in it so that hackers have fewer security holes to exploit.

另一个是找到确保软件开发人员生成的代码中缺陷更少的方法，这样黑客就可以利用更少的安全漏洞。