As organizations’ interest in information resources expands, their investments in information security (IS), such as the introduction of IS policies and new technologies, are also expanding. Nevertheless, IS incidents and threats within the organization have not decreased. This study aims to protect organizations’ information assets by maintaining the level of continuous IS behavior of the organization insiders. Moreover, this study suggests a method to induce continuous security behavior of individuals by confirming the relationship between IS-related voice behavior and IS-related organizational justice, which is an action concept that provides continuous opinions to achieve security goals. This study derives research models and hypotheses through previous studies and tests hypotheses through structural equation modeling. The target subjects are members of the organization who introduced the IS policy. A total of 325 samples were secured through the questionnaire method, and hypotheses were verified. Results reveal that voice behavior related to IS is negatively influenced by work impediment and positively influenced by organizational identification. In addition, procedural and information justice that influence prior actions related to IS affect the cause of personal security behavior (work impediment and organizational identification). Additionally, justice sensitivity adjusted the impact relationship between IS-related organizational justice and the cause of security behavior. The study presents the importance of voice behavior in maintaining the level of IS within the organization continuously. Moreover, it has practical implications in that efforts to improve organizational justice and voice behaviors vary according to the level of individual justice sensitivity.
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