Captchas

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Ads in Captchas 2007

The droopy characters, called Captchas, are irritating to humans, but are usually indecipherable to computers, providing a security screen for online service providers.

Web-Security Inventor 2008

The problem is, these word verifications (sometimes called Captchas) are sometimes so distorted, even a human couldn't figure out what they are.

Pogue's Posts 2009

The problem is, these word verifications (sometimes called Captchas) are sometimes so distorted, even a human couldn't figure out what they are.

Pogue's Posts 2009

The novel system for getting round Captchas uses images of a woman called “melissa” who invites victims to decipher the scrambled text.

March « 2008 « Isegoria 2008

The scrambled text systems used to defeat automatic sign-ups are known as Captchas or “Completely Automated Public Turing test to tell Computers and Humans Apart”.

March « 2008 « Isegoria 2008

Spammers are paying just 80 cents to $1.20 per 1,000 deciphered Captchas.

The Top Five Cybersecurity Predictions Vincent Weafer 2010

“The free e-mail services, so far, have been extremely successful at using Captchas to recognise a human being or an automatic program,” said Raimund Genes, chief technology officer at Trend Micro.

March « 2008 « Isegoria 2008

Spammers are paying just 80 cents to $1.20 per 1,000 deciphered Captchas.

The Top Five Cybersecurity Predictions 2010

Spammers are paying just 80 cents to $1.20 per 1,000 deciphered Captchas.

The Top Five Cybersecurity Predictions 2010