As we’ve seen before, there all kinds of different CAPTCHAs going around the web. Funny CAPTCHA, weird, odd and interesting CAPTCHAs are all around.
Now there’s another type of CAPTCHA: A mind breaking one.
According to LA Times the best defense against spammers and bots is a (extremely hard) math CAPTCHA. The website of the Croatian Ruđer [...]

We have shown in this post some funny, weird and unsolvable Captchas. We know people understand the importance of spam prevention, but still dislike annoying form of Captchas. So if you could cast your vote, what would you choose? A text Captcha, sometimes a very hard to solve one, or something else, like AdsCaptcha’s Slider [...]

While there’s no room for doubt regarding the importance of CAPTCHAs for webmasters and blog owners nowadays, there are some complaints about how hard they become, sometimes impossible. Meaningless words or deformed letters that mash together to create… who knows?
 
Text CAPTCHAs are sometimes unsolvable, annoying or just a pain in the, well, eye. When all [...]

CAPTCHAs as we know them are mostly a text based tool. You get some distorted words, letters or numbers, and you retype them in order to prove you’re human and not a spam bot.
But is the era of text based CAPTCHA coming to an end?
According to David Bradley of sceincetext.com, it is indeed a possibility. [...]

Confident Technologies is a new company created by Curtis Staker and William Goldback that deals with web security and the authentication of site’s users.
In the next couple of weeks, Staker and Goldback will release a new Captcha called ConfidentCaptcha which is an image based captcha .
The ConfidentCaptcha was born due to the fact that [...]

In case you haven’t heard about it – the phpBB website was running a captcha plugin competition.
New entries are not allowed anymore, meaning we can get to see some new captcha plugins very soon now.
This captcha plugin competition was held because of the upcoming release of phpBB new version (phpBB 3.0.6) which will include a [...]