In a blog post last month, Distinguished Professor and Dean ofComputing Richard DeMillo described CAPTCHAs, the distorted text usedas a security test to thwart Spammers and other Web site abuse, as "aleaking levee facing a hundred-year storm." Now ABC News reports thatSpam originating from Google's Gmail domain doubled last month,indicating that spammers are still defeating the CAPTCHA (CompletelyAutomated Public Turing test to tell Computers and Humans Apart)."Internet security in general is a cat and mouse game, with securitysystems and professionals trying to stay a step ahead of the blackhats. But staying ahead with CAPTCHAs is tricky and may be impossible,"DeMillo said.

Read Rich DeMillo's full discussion on CAPTCHA here.

Read the ABC News item "Crafty Spam Outsmarts Gmail's Filters" here.