ENTrust and data protection is an important part of social network sites (SNS). The mechanism of SNSs is infl uenced by data security. Individuals are not providing information about them or provide access to resources if data protection is not given. Trust is needed to exchange information or resources. This paper investigates the use of SNSs relationships for the employment seeking process. The paper research the level of willingness of SNSs member to pass their access to other profi les for the employment seeking process to their employer. The aim of the paper is to evaluate attitude of SNS users on their willingness to share information about employment possibilities. Research methods applied: scientifi c publications analysis, survey by questionnaire with 210 participants. In survey evaluation scale 1–6 was applied (as it is corresponding to the evaluation system in German schools). For data analysis there were used descriptive statistics with indicators of central; tendency or location and indicator of variability as well as correlation analysis. The result support to understand mechanism of SNSs, to test the social capital theory and provides human resource management (HRM) information how to use SNSs contacts from their employees for the recruiting process. HRM can use the full potential of SNSs because than the company has a competitive advantage. HRM is able to identify the best suitable candidates for the companies with the support of SNSs. The results give an answer about the acceptance of SNSs member to use their contacts at SNS for the employment seeking process to support their HRM.