translation.en: In fact, a friend of mine from the security industry told me the other day that there are two types of companies in the world: those that know they've been hacked, and those that don't.
translation.zh: 事实上，我的一位安保行业的朋友 不久前告诉我 世界上有两种公司： 已知被侵入的和还不知道已被侵入的