This research was conducted to study the prevalence of cyber-sex addiction among university students and its relationship between boredom, meaning of life, and spiritual maturity. Questionnaires were administered to 300 university students and statistical analysis showed the following results: 1) among various sociodemographic variables being male, majoring in arts or music, being non-Christian, and having parents who work in manufacturing, 2) boredom showed positive correlation with cyber-sex addiction, but meaning of life and spiritual maturity showed negative correlation, 3) based on the multiple regression analysis the meaning of life predicted the cyber-sex addiction. The results of the research showed that cyber-sex addiction among university students are significantly related to feeling of boredom, absence of meaning of life, and spiritual immaturity. Thus, family and society need to help them in finding their identity and goals in life along with the necessary education for prevention and intervention. Moreover, establishing an upright life style through the life of faith could prevent future addiction.