I imagine a plugin that modifies the login screen to use <http://recaptcha.net/>. You would then be required to fill in the captcha as well as log in in the normal way.
+-- [[users/Will]]
+
> I hate CAPTCHAs with a passion. Someone else is welcome to write such a
> plugin.
>
> This is still not fixed. I would have thought the following patch would
> have fixed this second issue, but it doesn't.
-(code snipped as a working patch is below)
+(code snipped as a working [[patch]] is below)
>> What seems to be happing here is that the openid plugin defines a
>> validate hook for openid_url that calls validate(). validate() in turn
}
1;
-