为什么Windows在密码错误时需要花费很多时间重新出现登录窗口？(Why does windows take much time for login window to reappear when

为什么Windows在密码错误时需要花费很多时间重新出现登录窗口？(Why does windows take much time for login window to reappear when password is wrong?)

这是windows7的一般问题。 当我尝试登录并且密码正确时，它将立即登录，但是当密码错误时，登录窗口重新出现需要10秒以上。

微软不分享它的代码，因此很难猜测，但我相信我可以从stackoverflow社区得到一个血统的答案。

It is a general problem with windows7. When i try to login and password is right, it will login instantaneously, but when the password is wrong, it takes more then 10 sec for login window to reappear.

Microsoft does not share its code, so it becomes difficult to guess, but i believe i can get a descent answer from stackoverflow community.

最满意答案

有趣的观察。

我只能猜测它是旧的：挫败攻击者的一种方法是当他们回答错误时放慢速度。 我在一些代码中使用了这个想法。 只是打电话给睡眠一会儿。

Interesting observations.

I can only guess it's the old thing of: one way to frustrate an attacker is to slow them up when they answer wrong. I use this idea in some of my code. Just call sleep for awhile.