New answers tagged

1

VisualCaptcha is an excellent solution for UX, but can be broken with 100% success rate. As Proof-of-Concept, there is a little script to break 100% VisualCaptcha included in this blog post There are several techniques to increase the security of VisualCaptcha. These techniques will not be integrated in the "core" of VC, but a developer can decide to ...


0

Instead of trying to fine-tune the behavior of CAPTCHAs on a form, consider that most users hate CAPTCHAs and you should look instead to solve the problem you are really trying to solve. Perhaps you can eliminate the CAPTCHAs entirely, which would make your users much happier than slightly less confusing CAPTCHA behavior. CAPTCHAs are primarily used to ...


2

I don't see how there could possibly be a security risk or other vulnerability as a result of implementing the feature you suggest. The reason is simple: since there is no security risk or other vulnerability to not having a CAPTCHA in the first place (with the possible exception of a DOS attack if the action the CAPTCHA protects is a slow action), any ...



Top 50 recent answers are included