But, despite our best efforts, the news is full of stories of individuals, companies and governments getting cyberattacked by hackers, people who, with their technical knowledge, break into computer systems. Not all hackers are bad though.

但是，尽管我们尽了最大努力，新闻还是充斥着个人、公司和政府遭到黑客网络攻击的故事，这些人凭借自己的技术知识闯入计算机系统。不过，并非所有黑客都是坏人。