Plagiarism has been battering higher education since the onset of the Covid-19 pandemic. Hence, this research aimed to develop a model to elucidate the types, reasons and strategies to mitigate Plagiarism and misconduct in online examinations. The instrument employed for this research was an online questionnaire, and the study population was determined to be built environment students from five institutions of higher learning. A total of 308 survey forms were analysed using factor analysis, structural equation modelling (SEM) and content analysis. In addition, sixteen (16) case studies were presented and examined to validate the findings.