Most CAPTCHA's have been broken. :-)  CAS supports throttling of attempts to
deter automated password breaking attempts.  Your underlying security store
may also support throttling/locking.

Cheers,
Scott


2010/12/15 陈国柱 <[email protected]>

> Do cas have CAPTCHA(Completely Automated Public Turing test to tell
> Computers and Humans Apart)?
>
> In my impess,the cas have not a CAPTCHA,and it is easy to force try to get
> password!
>
> Do you think,it is a   security problem?
>
> How to fix this problem?
>
>
> Best regard!
>
>
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