무료 체험 시작

암호 보안 팁:

  • 6자 이상 사용
  • 문자와 숫자 혼합 사용
  • 대문자와 소문자 혼합 사용
  • 특수 문자 사용(예: @)

Captcha definition

Captcha is a type of challenge-response test used in computing to ensure that the response is not generated by a computer, but by a human being. An image known as a Captcha contains a numerical or alphabetic code used on web pages to prevent accounts from being created by spiders or programs.

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