| How Easy Could A CAPTCHA Be Broken ? |
 | CAPTCHA systems are widely used to protect various Internet services or applications of unauthorized access of robots or other types of automatic attacks. These type of security systems are also called "reverse Turing tests" and are implemented in blogs to prevent spam comments, in forums to stop multiple postings, in email service registration to prevent multiple accounts creation and so on.
The role of a CAPTCH ... [read more >>] |
| 04 March 2008, 12:47GMT | (c) 2008 Softpedia |