Aim: Key motive is to research the prevailing level of awareness level of commerce post graduate students on cyber crime and cyber security in their day-to-day life. Design/ Methodology/Approach: In the current research paper, data has been collected based on census method using high ended questionnaire from 178 M. Com students from University in Coimbatore district of Tamil Nādu in India. The accumulated information is further analyzed in testing their level of awareness using descriptive statistics and Anova to check the difference with respect to their demographics. The Researchers want to know how college students feel about being aware of cybercrime and cyber security so they are looking into that. Findings: The study has identified the factors for the level of awareness on cybercrime with 5 variables and cybersecurity with 6 variables. These variables have different perspective with respect to the demographic factors of the commerce post graduate students. Especially the Course of study and the year of study creates difference in the awareness level. Research Limitations: The study is a valuable understanding for the students in commerce stream at their post graduate level in knowing their level of understanding and awareness of cybercrimes and cyber security. This study has only focused on the commerce post graduate students of university and it is restricted to the Coimbatore district of Tamil Nādu alone. The results cannot be generalized commonly for the students in post-graduation. Originality: The study is original contribution to understand the awareness of commerce post graduate students in Tamil Nadu. It can be definitely used for further references in terms of level of awareness of students from different range or the study can be further expanded by the researchers and policy makers in developing the safety and awareness measures towards cybercrime and cybersecurity.