No matter you are using QQ or MSN for online chatting, what makes you most worried is that your computer may be unknowingly infected by Trojan virus while you're chatting, which could lead to the leakage of chatting messages and other personal information, and in severe cases, your computer may become a "zombie" controlled by hackers. With a large number of QQ users, it's not uncommon to hear about QQ accounts being stolen. In this issue, we'll introduce some methods and tricks to protect your QQ password and personal information so that you can chat with peace of mind.