D-Link Systems has announced that it will incorporate DNS security extensions (DNSSEC) to routers in order to defend home computers against malicious web attack. This technology will be integrated with D-Link’s already implemented CAPTCHA technology and updated IPv6 certification in order to provide increased security.
The extra layer of security provided by DNSSEC is expected to [...]

With the increased presence of spam bots that have the ability to get around captchas that some humans even have a hard time reading, captchas using 3D images appear to be a possible solution to the automated spam problem.
Since a human’s image scanning capability is much more advanced than any software algorithm created, at least [...]

A short review of 5 free captcha generators that can help you to protect your site from automated spam posts, registrations and so on.

This captcha download guide include the most recommended (free and non-free) captcha scripts and codes you can download and implement in your website or blog to prevent submission forms abuse.