Purpose-This study seeks to synthesize theories from communication, psychology and criminology to examine the factors that influence the two most popular topics in industry-internet abuse and addiction at the workplace. Design/methodology/approach-The survey results of 351 responses were analyzed to test the proposed hypotheses and research model using structural equation modeling. Data were collected in Southern Science Park in Taiwan. Findings-It was found that personality factors such as locus of control and self-esteem significantly influence employees' internet addictions; and internet addiction significantly impacts employees' internet abuse at the workplace. Practical implications-Employers should pay special attention to employees' personalities because they play important roles in internet addiction and internet abuse. Also a good internet policy will be useful especially to a panoptic working environment, which is becoming popular. Originality/value. his study provides a comprehensive theoretical foundation to better understand the two controversial issues in industry. The empirical study validates the important theories of locus of control, self-esteem, use and gratification, control, and containment in workplace surveillance and deviant behavior research