Skip to Content

You are here: Home » accessibility, CAPTCHA, Visual Verification

Visual Verification

Visual Verification: Study Seeks to Expand the Usefulness of Audio CAPTCHA

September 1, 2007 • Darrell Shandrow Hilliker

Andy Schlaikjer, a Ph.D student at Carnegie Mellon University, has asked us to carry the following announcement: I’m conducting a study to aid my research and development of a new form of audio CAPTCHA. If you’d like to participate, please visit the Audio reCAPTCHA study web site. A CAPTCHA is a special kind of test… Finish Reading Visual Verification: Study Seeks to Expand the Usefulness of Audio CAPTCHA

Categories: accessibility, CAPTCHA, Visual Verification
Comments Off on Visual Verification: Study Seeks to Expand the Usefulness of Audio CAPTCHA
Comments Off on Visual Verification: Please Sign and Support the MySpace CAPTCHA Accessibility Petition Today

Visual Verification: Please Help Test ReCAPTCHA Audio Playback

August 30, 2007 • Darrell Shandrow Hilliker

We have received a request from one of the ReCAPTCHA programmers to perform some testing in an attempt to improve the usability of their audio playback alternative. Once again, this is our opportunity to provide feedback that can result in a direct increase in the accessibility of CAPTCHA. Let’s all step up to the plate… Finish Reading Visual Verification: Please Help Test ReCAPTCHA Audio Playback

Categories: CAPTCHA, Visual Verification
Comments (3)

Visual Verification: Trouble with Audio CAPTCHA on Twitter

August 30, 2007 • Darrell Shandrow Hilliker

We have received numerous reports from blind users who are unable to use Twitter’s audio CAPTCHA for the past several days. We ask as many of you as possible to visit Twitter, try the audio CAPTCHA and report your results in this ticket opened with Twitter’s customer support team. If you’re already signed into Twitter,… Finish Reading Visual Verification: Trouble with Audio CAPTCHA on Twitter

Categories: accessibility, CAPTCHA, Twitter, Visual Verification
Comments (2)

Imagine The Dark Future of CAPTCHA and Multifactor Authentication for the Blind

August 25, 2007 • Darrell Shandrow Hilliker

If you’re blind or severely visually impaired, imagine that you wake up one day to find… You compose an e-mail to your sister, only to discover you can’t send it due to a visual CAPTCHA that provides no audio playback or other reasonable accomodation. A telephone number is given for visually impaired users. After waiting… Finish Reading Imagine The Dark Future of CAPTCHA and Multifactor Authentication for the Blind

Categories: accessibility, CAPTCHA, multifactor authentication, opinion, Visual Verification
Comments (11)
Comments (1)

PhoneFactor: A Potential Answer to Accessible Two-Factor Authentication

August 19, 2007 • Darrell Shandrow Hilliker

Once again, we learn that authentication based on sight alone is not the only game in town. A company called PhoneFactor delivers a two-factor authentication scheme in which the second piece of authentication material is literally your telephone. In simple terms, here’s how it works: Supply your traditional username and password as prompted. Your telephone… Finish Reading PhoneFactor: A Potential Answer to Accessible Two-Factor Authentication

Categories: accessibility, CAPTCHA, multifactor authentication, Visual Verification
Comments (6)
Comments Off on Visual Verification: The PayPal Blog Features "No Blind People Allowed" Sign

PayPal Security Key: Do Blind People Deserve the Same Level of Security as the Sighted?

August 18, 2007 • Darrell Shandrow Hilliker

Recently, PayPal began offering account holders the ability to use a Security Key as an additional means of protection. The Security Key is a small piece of hardware that connects to the computer’s USB port and displays a sequence of numbers that change every 30 seconds. Once the key is activated, users must supply these… Finish Reading PayPal Security Key: Do Blind People Deserve the Same Level of Security as the Sighted?

Categories: accessibility, CAPTCHA, multifactor authentication, Visual Verification
Comments (4)

Visual Verification: FeedBurner’s Audio CAPTCHA Appears to be Broken

August 17, 2007 • Darrell Shandrow Hilliker

After attempting to subscribe to this blog via e-mail using the FeedBurner widget for this purpose, I have discovered that the supplied audio CAPTCHA appears to be broken. No matter how many times I listen to and enter the numbers, I am unable to complete the subscription process! A message has already been sent to… Finish Reading Visual Verification: FeedBurner’s Audio CAPTCHA Appears to be Broken

Categories: CAPTCHA, Visual Verification
Comments Off on Visual Verification: FeedBurner’s Audio CAPTCHA Appears to be Broken
Previous Posts Next Posts