programming

The Captcha VNExpress, Chungta.vn, ngoisao.net, they’re all using a simple Captcha system to prevent bot voting/submit email. But unfortunately, the system is so easy, we can get around it in five minutes. (So, the voting poll, and all the competition based on voting in VNExpress is useless) Recently, chungta.vn announced a new beta site with new design. Let’s take a look into it to know, if the internal is still the same. [Read More]