Tag Archive | "CAPTCHA"


02 November 2011 | 9,151 views

13 Out Of 15 Popular CAPTCHA Schemes Vulnerable To Automated Attacks

This is not a real shock to be if I’m perfectly honestly, I only use reCAPTCHA whenever I need a CAPTCHA implementation for anything. And well even then, it’s not totally safe as apparently you can farm out your CAPTCHA cracking (those the fail the automated attempts) to India for a few dollars. It does [...]

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02 March 2010 | 6,530 views

High Tech Ticket Scalpers Earn $25 Million Profits

Today’s news is that a company in the US has been using CAPTCHA breaking technology to run a very profitable ticket scalping operation. Reports state they netted a $25 Million USD profit over a 6 year period, which is an industry is extremely lucrative especially for a reasonably small operation. Of course they way in [...]

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10 April 2008 | 7,529 views

Spammers Harnessing Web Mail Servers – Gmail & Yahoo! Throttled

It seems like spammers are now moving to automated spam via popular web mail services as a way to bypass IP-blacklisting services. It’s a large advantage for them as they can still use botnet sources to generate the e-mail but the source IP address will be from a ‘trusted’ domain such as Gmail or Yahoo!. [...]

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29 August 2006 | 12,281 views

Link & Comment Spamming – A possible solution.

Recently one of the sites I am developing for my self was link spammed. Some unpleasant individual decided that it would be fun to post 160 ‘comments’ spread over all the blog posts. All the comments contained was URL’s. Even more stupid they used BB tags, but as I wrote the site it doesn’t use [...]

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17 July 2006 | 5,350 views

CAPTCHA – Safer and better looking

CAPTCHA, acronym for “completely automated public Turing test to tell computers and humans apart” is used, most of the times at least, as an authentication mechanism. Not to prove your identity, but to do a much simpler job than that; to prove your a human. With the bad guys always a step ahead (which is [...]

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