Integrating Captcha with Spring Security
问题 What is appropriate way to integrate SpringSecurity with Capcha ? I have following use case : When user will tries to login, if we he failed to login N times, captcha will be displayed, so authentication will be using three parameters : username, password, captcha. But Spring Security doesn't support built in Captcha handling. I just start thinking about implementation. And have following variants: Adding separate security filter in Spring Security filter stack, Entirely rewrite