Mashable m 1665aedc821eba710dec05363a1b18338b852b544314a5b00256814df1dd4df7


Snapchat Attempts to Block Fake Accounts With Ghost Captchas

Snapchat is trying to make it more difficult for hackers to spam your phone number. The photo-messaging app has rolled out a new form of captcha to prevent fake users from signing up for an account, according to TechCrunch. Rather than decoding words...

Captcha FAIL: Researchers Crack the Web's Most Popular Turing Test

Captcha is the the gold standard for Turing tests on the web: Whenever an online form wants to check if you're a human being and not a spambot, it asks you to decipher one or two distorted words, presented as images. But what if there was a way for m...

CRAPCHA Pranks You With Hopeless CAPTCHA Tests

We've all run into them while trawling the interwebz. Designed to deter spambots, CAPTCHAs are kinds of online tests that involve a visual-perception task such as identifying distorted text. The aim, of course, is to confound chartph.computers, while remaini...

Civil Rights CAPTCHA Pushes Its Own Agenda

There's definitely value in raising awareness of civil rights and abuses thereof: Nobody can stop injustice unless they first know it's there. And there's definitely value in CAPTCHAs (even though nobody really likes them): Deciphering those wavy let...

Facebook Makes It Harder to Post From Google Blogger

Want to share a post from your blog on Facebook? If it's a Blogger site, that just got harder. Facebook just added a Captcha check -- a dialog box that asks you to type in hard-to-read text presented as a graphic -- for any post shared from Blogger. ...

Stanford Researchers Crack Captcha Code

Captchas, those sometimes-illegible code words designed to foil spammers, can be easily decoded by bots, a Stanford University research team has found. The Stanford team has created Decaptcha, software that makes captchas readable by chartph.computers by cle...

NuCaptcha's Video CAPTCHAs Blend Security and Ads

NuCaptcha has launched Engage, a video ad service based on the's anti-spambot security platform. NuCaptcha's brand of CAPTCHA technology chartph.combines video and other security technology to determine whether a system user is a machine or a human. ...

Video-Based CAPTCHAs: Hard on Bots, Easy on Humans

This post is part of Mashable’s Spark of Genius series, which highlights a unique feature of startups. The series is made possible by Microsoft BizSpark.. If you would like to have your startup considered for inclusion, please see the details here. N...

Facebook Captcha: What You DON'T Need to Type

*Update: Commenters pointed out that the methods explained below ruin the reCAPTCHA project, which Facebook uses for its bot detection, and it might be true, so let me clarify. I'm aware that reCAPTCHA serves a good cause - digitalization of books an...

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