Escalation

http://arstechnica.com/security/2012/05/google-recaptcha-brought-to-its-knees/

At one level there’s the old argument about disclosure of security holes, but this is also an example of ‘driving’ security improvement.

Related articles

• How a trio of hackers brought Google’s reCAPTCHA to its knees (arstechnica.com)
• Google’s reCAPTCHA briefly cracked (h-online.com)
• How Hackers Nearly Took Down Google’s ReCaptcha System (gizmodo.com.au)
• How Hackers Listened Their Way Around Google’s Recaptcha (tech.slashdot.org)
• How Hackers Nearly Took Down Google’s reCaptcha System (gizmodo.co.uk)