Captcha

Captcha is a verification system designed to protect against hacks and limit bot activity.

What types of CAPTCHA exist?

The most commonly encountered are text and image captchas. Audio recognition systems are not considered the most reliable, so invisible captchas may be used, as well as puzzle checks that are popular on Asian sites.

Who is shown a CAPTCHA and why?

A captcha will appear if the algorithm "flags" suspicious activity. It does not necessarily mean the user has gone to the "dark side." Sometimes a captcha triggers as a result of harmless but non-standard actions for the system.

What does CAPTCHA protect against?

The test is built with a single goal, which is to protect the service from spam, bots, and automated scripts.

How does a bot pass a CAPTCHA?

Specialists use dedicated services, ML/AI algorithms, APIs, and "holes", and also resort to headless browsers.

Remember: automatic captcha bypass often violates site terms of use and may be illegal, especially if used for malicious purposes.