Cybersecurity is a multidisciplinary field of study that focuses on preserving and protecting data and information from a wide range of threats and dangers. This study presents a cyber-security culture for assessing the knowledge, attitude and practice towards digital marketing communications among small and medium-sized entrepreneurs. The objectives of this study were to identify the knowledge, attitudes, and practices of cyber-security culture toward digital marketing communications among small and medium-sized entrepreneurs in Selangor, as well as to look into the relationship between knowledge and practice in this area. This study utilized a quantitative methodology in the form of a survey, with respondents being selected at random from a list of numbers and from a box of random numbers. Several lists were generated using Instagram business account listings, telegram entrepreneur groups, the National Entrepreneurs Institute, and the Kuala Selangor District Council webpage for recruiting respondents. From the findings, this study found that there is a strong relationship between the level of knowledge and practices towards cybersecurity in digital marketing communications among small and medium-sized entrepreneurs. The study concluded that good knowledge of cybersecurity is crucial among entrepreneurs for them to establish good practices in managing their business.