Browsing archives for 'Captcha & Security'

A Solution for CAPTCHAs’ Effect on Conversion Rates

Captcha & Security 6 April 2011 | 0 Comments

Around two years ago, Casey Henry of SEOmoz published an article about the effect CAPTCHAs have on conversion rates.
The article checked how many of the comments in a website are actually spam when there’s no CAPTCHA on that website. Then it checked how much spam there is and how many conversions are failed when the [...]

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Captcha Survey

Captcha & Security 8 February 2011 | 0 Comments

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 [...]

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Wordpress Plugins For Spam Prevention

Captcha & Security, Wordpress Plugins 7 October 2010 | 0 Comments

There is a ton of Wordpress plugins for everything. But, if your blog or website is getting a ton of spam lately, you should be aware of a specific category of wordpress plugins that specializes in Spam Prevention. Check out these very popular plugins to help control your comments on your blogs and get your [...]

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3D Captcha Images

Captcha & Security 28 August 2010 | 0 Comments

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 [...]

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Captcha Originator on Human Computation

Captcha & Security 26 July 2010 | 0 Comments

Highlights from captcha developer Luis von Ahn lecture on human computations and the enjoyable ways humans can collaborate with improving computers human mind’s imitating.

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Dear Infosyssec, Haven’t you Heard about Captcha?

Captcha & Security 21 April 2010 | 0 Comments

No matter if you are human or a bot, Infosyssec won’t let you access their website unless you send them a request by mail. I guess they haven’t heard about Captcha yet…

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Captcha Entry Services Review

Captcha & Security 27 March 2010 | 0 Comments

A review of some of the captcha entries services outhere which are paid services in which a cheap labor is used in order to bypass all kinds of captcha tests that lead to all kinds of online platforms that one can use for his own interest.

Captcha Entry – Cracking Captcha Using Humans

Captcha & Security 10 March 2010 | 0 Comments

Captcha entry services use humans to bypass the wall of captcha, allowing others to spam the web with ads and textual links…

Buying Captcha

Captcha & Security 2 January 2010 | 0 Comments

Buying Captcha is a great solution for anyone who needs some online security tool to protect his site from abuse and spam activities.

PWNtcha – Defeating Captcha

Captcha & Security 4 December 2009 | 0 Comments

PWNTCHA , is a decoder project that decodes Captchas by using visual techniques. It proves the inefficiency of Captchas since 92% of weak Captchas can be cracked by bots at 10 seconds only

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