As software gets better at labeling photos, CAPTCHA designers are adopting more difficult logic-based prompts to thwart nefarious bots
Katie Deighton / Wall Street Journal : X: @shantharmohan and @dollydeighton . Forums: r/Weird X: @shantharmohan : “I haven't been able to spot 10 [stop]lights in a row. I'm either a robot or a cyclis...
Microsoft discloses a new attack by Chimborazo, a group that is distributing a malicious Excel document on a site requiring CAPTCHA to evade automated detection
Dan Goodin / Ars Technica :
As machine learning algorithms get as good as humans at text, image, and speech recognition, Google's CAPTCHA are getting too hard for humans to solve
At some point last year, Google's constant requests to prove I'm human began to feel increasingly aggressive. Tweets: @distributeddave , @charlesflehman , @bozhobg , @_am1t , and @joshdzieza Tweets: D...
Study: 3.67% of sites in Alexa 1,000 are either blocking or presenting CAPTCHAs to Tor users, often carried out by CDNs like CloudFlare or Akamai
Tor users blocked or faced with CAPTCHA if IP address matches known exit node — Tor users blocked or faced with CAPTCHA if IP address matches known exit node.