BotDetect ASP.NET & ASP CAPTCHA
Lanapsoft BotDetect is an awarded website security solution designed to prevent automated registrations with CAPTCHA images. While the disguised textual code cannot be read by a machine (a computer program), it is easily read by a human.
>>> Try BotDetect CAPTCHA Live Demo! <<<
BotDetect CAPTCHA Features
- 50 different CAPTCHA algorithms
- Audio CAPTCHA support
- Custom CAPTCHA image size
- JPEG, GIF, PNG and BMP CAPTCHA image formats
- Custom CAPTCHA code length
- Choose between alpha, numeric and alphanumeric CAPTCHA codes
BotDetect CAPTCHA Free Trial Version
BotDetect CAPTCHA Image Screenshots
And many more CAPTCHA examples...
BotDetect CAPTCHA Versions
What is CAPTCHA?
CAPTCHA is an acronym for "Completely Automated Public Turing Test to Tell Computers and Humans Apart". As the name suggests, it is a test that determines the probability of the solver being a human. As defined on the CAPTCHA home page at the Carnegie Melon University School of Computer Science's Web site:
CAPTCHA is a program that can generate and grade tests that:
- Most human users can pass
- Current computer programs can't pass
BotDetect CAPTCHA Applications
- Online polls: BotDetect CAPTCHA images ensure that only humans can vote
- Free email services: BotDetect CAPTCHA images stop bots that sign up for thousands of email accounts every minute
- Login pages: BotDetect CAPTCHA images prevent dictionary attacks and brute force attacks
- Blocking search engine bots: BotDetect CAPTCHA images guarantee that bots won't enter a web site
- Filtering email worms and spam: BotDetect CAPTCHA images assure that an email is accepted only if the sender is human


