Abstract: This study was conducted with the aim of investigating how access control would secure customer information in Kenya. This study was guided by the set out objectives: first to determine how data control mechanisms enhance security access, secondly to investigate the security issues on access of customer information and thirdly to develop Secure Data Access Control (SEDAC) model. In achieving these objectives a self administered questionnaire was developed and distributed to randomly selected respondents. The findings of the study were analyzed using SPSS. The Security Data Access Control (SEDAC) model was developed for and recommended for adoption by the end users as a guide to enlighten the novice worker who constitutes a large number of the work force.