0 someone in a particular situation who is acting for morally good reasons, or something that shows who this person is -- 正直的好人；正直善良的标志
Levy is a so-called "white hat" computer hacker who hunts for computer security flaws to help repair them. 利维是一个所谓的“白帽”电脑黑客，他搜寻电脑安全漏洞以帮助修复漏洞。
It would be simpler if some of us had white hats and some of us had black hats, but in fact things are more complicated than that. 如果人们仅仅以白帽好人、黑帽坏人相区分的话，就会很简单，但事实上，事情要比这复杂得多。
We work for the good guys. We're the white hats. 我们为好人工作。我们是好人。
In the infancy of the hacker subculture and the computer underground, criminal convictions were rare because there was an informal code of ethics that was followed by white hat hackers.
The group was also critical of white hat hackers, claiming that many of them have been corrupted by their employers.
Typically, a project will begin with an extended white hat action, as everyone gets on the same page creating a shared vision of the issue being addressed.
Whereas white hat hackers generally advise companies of security exploits quietly, grey hat hackers generally advise the hacker community as well as the vendors and then watch the fallout.
This has led to referees being referred to as white hats.
Here we were supposed to be the guys in the white hats.
Using early home computers and defining themselves as white hat hackers - those who look but do nt steal they broke into some of the worlds most powerful and secretive organisations.
We had a speech on personal relations, social relations, community relations and international relations; and also on white hats, black hats and blue hats.
