Oct 14th, 2008 · Technology Review has an interesting article about the way CAPTCHAS are fueling AI research. Following recent news about various textual CAPTCHAs being cracked, the article notes that a researcher at Palo Alto Research Center has now found a way crack …
Oct 5th, 2008 · Ian Lamont recently asked Google if they planned to extend their transcription of books and other printed media to include public records, many of which were handwritten before word processors became ubiquitous. Google wouldn't talk about any potential …
Oct 2nd, 2008 · Yesterday it was reported that Microsoft's revised CAPTCHA had been cracked. Now it's Google's turn. In a move that is sure to surprise no one, the spammers behind 'Xrumer' have announced that they've not only cracked Google's CAPTCHA, but other forms …
Oct 2nd, 2008 · Yesterday it was reported that Microsoft's revised CAPTCHA had been cracked. Now it's Google's turn. In a move that is sure to surprise no one, the spammers behind 'Xrumer' have announced that they've not only cracked Google's CAPTCHA, but other forms …
Oct 2nd, 2008 · According to Websense, Microsoft's CAPTCHA has been busted again. CAPTCHA was surely a logical move for different service providers to fight against spammers, but it seems to be melting down. 'Realizing the potential for massive abuse from spammers with …
Oct 1st, 2008 · According to Websense, Microsoft's CAPTCHA has been busted again. CAPTCHA was surely a logical move for different service providers to fight against spammers, it seems to be melting down. 'Realizing the potential for massive abuse from spammers with anti-CAPTCHA …
Sep 24th, 2008 · My company runs quite a few media websites, mostly on Drupal, and about half on ec2. We have a good server setup with ec2 which allows us to route requests through Pound, a cluster of Varnish servers, then a cluster of Apache servers. We manage 50 domains …
Aug 30th, 2008 · Anti-Globalism points out an analysis of India's CAPTCHA-solving industry posted at ZDNet. It begins: "No CAPTCHA can survive a human that's receiving financial incentives for solving it, and with an army of low-waged human CAPTCHA solvers officially …
Aug 26th, 2008 · The Washington Post's Security Fix blog is running a fascinating series that peers inside some of the Web-based services cyber crooks are using to ply their trade: from masking their identity, to defeating CAPTCHAs, to creating counterfeit documents and …
Aug 14th, 2008 · Computer scientists have developed a program, called reCAPTCHA, which is being used in lieu of CAPTCHA by several sites, to help digitize old books and newspapers. The reCAPTCHA takes entries from old and faded texts that optical scanners and digital-text …
Jul 15th, 2008 · An anonymous reader recommends Computerworld's look at the rise and fall of CAPTCHAs, and at some of the ways bad guys are leveraging broken CAPTCHAs to ply their evil trade. "CAPTCHA used to be an easy and useful way for Web administrators to authenticate …
Jun 12th, 2008 · A team of German computer scientists has developed a program that reproduces all the known forms of spit (spam over internet telephony) attack. Their plan is to make the spitting software available to computer security experts wanting to test antispit …
May 17th, 2008 · Websense Security Labs explains the spammer Anti-CAPTCHA operations and mass-mailing strategies. Apparently spammers are using combination of different tactics — proper email accounts, visual social engineering, and fast-flux — representing …
May 2nd, 2008 · Early in March, Wintercore Labs published proof of a generic approach to defeating audio CAPTCHAs, using Google's as the case study for their demonstration. With claims of over 90% success rate and expectations that this can be significantly improved …
Apr 27th, 2008 · For years, I've been frustrated by Blogger's relatively limited functionality and other problems. For instance, we've heard about Blogger's security flaws since the beginning of this decade. Blogger's latest problem, which lets bots bypass CAPTCHAs in …
Apr 23rd, 2008 · Researchers at Penn State have developed a patent-pending image-based CAPTCHA technology for next-generation computer authentication. A user is asked to pass two tests: (1) click the geometric center of an image within a composite image, and (2) annotate …
Apr 15th, 2008 · eldavojohn passes along what may be the last nail in the coffin for CAPTCHA technology. Coming on the heels of credible accounts of the downfall of first Yahoo's and then Gmail's CAPTCHA, Ars Technica is reporting on Websense Security Labs' deconstruction …
Feb 26th, 2008 · Websense is reporting that Gmail's CAPTCHA has been broken, and that bots are beginning to sign up with a one in five success rate. More interestingly, they have a lot of technical details about how the botnet members coordinate with two different computers …
Jan 29th, 2008 · Hell Yeah! reminds us of a 2-week-old development that somehow escaped notice here. A team of Russian hackers has found a way to decipher a Yahoo CAPTCHA, thought to be one of the most difficult, with 35% accuracy. The Russian group's notice, posted by …
Oct 2nd, 2007 · The BBC is reporting that Carnegie Mellon University has found a novel use for CAPTCHAs — deciphering old texts. We've discussed this project before, but it was prior to it getting off the ground. Users Entering text acts as a sort of distributed …
