recaptcha

ZDNet Resources

• sort by:
• Relevance
• Date
• Popularity

Google reCAPTCHA could raise bar in anti-bot, anti-spam battle

Well what are other options?I'm not knocking your concern because it is a valid point. But does that mean we just leave everything open to bots and spammers? What could be done for the disabled? I thought reCAPTCHA had some ways of handling this.What about for the deaf-blind?Implement CAPTCHA or...

Tags: anti-spam, reCAPTCHA, Amazon.com Inc., CAPTCHA, bot, Google Inc.

Discussion threads 2009-09-16

Google buys reCAPTCHA: Digitize old books and fight spam

Captcha's are annoying, but necessary. They try to distinguish humans from robots when entering form data. One of the most terrifying problems with hosting your own content on the web is spam. These trolls will do anything to get you to click...

Tags: CAPTCHA, Google Inc., Optical Character Recognition, reCAPTCHA, Cyberthreats, Spam, Security, Spam And Phishing, Andrew Mager

Blog posts 2009-09-16

Additional Resources

Scareware scammers hijack Twitter trending topics

Researchers from F-Secure and Sophos are reporting on an ongoing scareware serving campaign abusing the popular micro-blogging service Twitter. Hundreds of tweets using four different URL shortening services are currently spammed through the automatically registered Twitter accounts, relying on a pseudo-random text generation using Twitter's trending topics....

Tags: Twitter Inc., Spamming, Spam, Cyberthreats, Viruses And Worms, Security, Spam And Phishing, Dancho Danchev

Blog posts 2009-09-23

News to know: Skype; reCAPTCHA; Oracle Q1; Zune HD; Bing

Here are today's notable headlines. You can get News To Know via email alert and RSS daily. For continuous updates see BNET's around-the-Web tech coverage. Sam Diaz: Report: Skype founders sue eBay; could complicate Skype sale Dave Greenfield: Skype Founders Sue eBay and...

Tags: Google Inc., Oracle Corp., Microsoft Zune, Andrew Nusca, Skype Technologies S.A., Microsoft Corp., Sam Diaz, Phishing, Microsoft Project, Netbooks, Nettops & MIDs, Cyberthreats, Web Browsers, Handhelds, Security, Spam And Phishing, Microsoft Office, Office Suites, Software, Hardware, Internet

Blog posts 2009-09-17

Google + reCAPTCHA could raise bar in anti-bot, anti-spam battle

Google buys an excellent crowd-sourcing tool and, by default, gets to raise the bar significantly in the fight against bots and spam. by Ryan Naraine

Tags: Google Inc., Anti-spam, Crowdsourcing, Ryan Naraine

Blog posts 2009-09-16

Google buys reCAPTCHA: Digitize old books and fight spam

Too Bad ..."They try to distinguish humans from robots when entering form data."Too bad they can't discriminate humans from 3rd World wage slaves decoding them for the spammers :(RE: Google buys reCAPTCHA: Digitize old books and fight spamCool from a machine learning standpoint but does this freak you out since...

Tags: Cyberthreats, Spam, Google buys reCAPTCHA, Google Buys, Google Inc.

Discussion threads 2009-09-16

Google scores a 2-for-1 with reCAPTCHA acquisition

Google said today that it has acquired reCAPTCHA, a company that provides CAPTCHAs, those squiggly words in a box that you have to type to verify that you are a real person and not a computer bot. The technology is widely used - more than 100,000 Web...

Tags: Google Inc., Acquisition, Computer, Productivity, Mergers & Acquisitions, Corporate Law, Investment, Finance, Business Operations, Sam Diaz

Blog posts 2009-09-16

Spammers harvesting emails from Twitter - in real time

Spammers are no strangers to the ever-growing Twitter. From commercial Twitter spamming tools, to re-tweeting trending topics for delivering their message, a new crafty search technique can provide spammers with fresh and valid emails harvested from Twitter's users in real-time. Basically, the search query consists of common...

Tags: Spammer, Twitter, E-mail, Spam, Online Communications, Security, Spam And Phishing, Dancho Danchev

Blog posts 2009-05-13

Audio CAPTCHAs easy to crack, according to researchers

A great story over at Ars Technica today details the efforts of the Carnegie-Mellon University team behind the reCAPTCHA service, who has turned its attention to the audio CAPTCHAs used by the visually impaired. These audio CAPTCHAs consist of a string of spoken characters, typically masked and distorted by...

Tags: CAPTCHA, Audio, Andrew Nusca

Blog posts 2008-12-08

Microsoft's CAPTCHA successfully broken

Microsoft's CAPTCHA successfully brokenWhat of ReCaptcha?What about recaptcha, where the words are known to be difficult to read by OCR?http://recaptcha.net/

Tags: Microsoft CAPTCHA, CAPTCHA, Microsoft Corp.

Discussion threads 2008-06-01

If+CAPTCHAs+are+decommissioned+what+comes+next%3F

If+CAPTCHAs+are+decommissioned+what+comes+next%3FWell ...And im so going to anger the privacy advocates here...Maybe we can create a token system. I want to sign up for a service at say, ZDNet, WELL I proceed with my sign up...however, I also have to insert a token into my computer (that through a special ACTIVX,...

Tags: CAPTCHA

Discussion threads 2008-02-26

Microsoft Windows Live Mail's CAPTCHA defense falls to spam bots

Microsoft Windows Live Mail's CAPTCHA defense falls to spam botsI'll second that...They, or someone, has also figured how to do the same with Yahoo accounts. One of my email accounts, not Hotmail or Yahoo, gets 5 - 10 spams a day from Hotmail, Yahoo US, Yahoo UK, Yahoo Taiwan,...

Tags: Operating systems, CAPTCHA, CAPTCHA defense, Microsoft Windows Live Mail, spam bot, Microsoft Corp., Microsoft Windows Live, WLM, Yahoo! Inc., Microsoft Windows

Discussion threads 2008-02-07

New tool screens spam, digitizes books

New tool screens spam, digitizes booksTHE BEST PART -- IT'S FREE !!!I just emailed Prof. von Ahn to ask whether there is a program for volunteers to just be shown the scanned text for identification instead of having to type two words each time.It's nice to see people coming up...

Tags: Cyberthreats, tool screens spam, spam

Discussion threads 2007-05-28

Image: ReCaptcha kills two birds with two words

Tool fights spam and digitizes books by requiring users to identify two words displayed in an image.

Tags: spam, image, tool

Image galleries 2007-05-24