An approach is provided to secure security questions by checking posts directed at a social network. In the approach, requested post is received from one of the social network users. The content of the requested post is compared to previously established security questions and corresponding security answers, either established by the user or by another user. The requested post is allowed when the comparison reveals that the content does not compromise one of the previously established security questions and corresponding security answers. However, the requested post is rejected if the comparison reveals that the content compromises one of the previously established security questions and corresponding security answers.